in order for mutations to be passed to offspring in sexually reproducing organisms, the mutation(s) must occur in sex cells. why is this not true for bacteria like staphylococcus? choose one or more: a. bacteria reproduce sexually but exchange genetic information through conjugation. b. bacteria can pass on mutations in somatic cells. c. bacteria do not have sex cells. d. bacteria reproduce asexually, so the offspring are genetic copies of the parent and inherit all mutations that occur.

Answers

Answer 1

Because they reproduce swiftly, bacteria are able to adapt quickly. Bacterial DNA mutations can result in the development of novel traits, superior growth to that of its neighbors, and an increase in population.

Mutations are unforeseen, inheritable changes to an organism's genetic makeup.All living things, with the exception of a few viruses, have DNA as their genetic material, which means that during reproduction, an organism's hereditary information is transferred to its descendants via DNA.Thus, the transmission of genetic information from one generation to the next is carried out through DNA.The DNA of the organism's germ cells must be altered for mutations to successfully drive evolution in sexually reproducing species. This is due to the meiotic division that germ cells go through to create gametes, also known as sex cells.

To know more about genetic check the below link:

https://brainly.com/question/12111570

#SPJ4

Answer 2

Answer: B. Bacteria do not have sex cells. D. Bacteria reproduce asexually so the offspring are genetic copies of the parent

Explanation: did the smart work, and got these answers


Related Questions

Which three statements provide reasons that scientists are considering renewable sources of energy?

Answers

These are the three explanations that give reasons that scientists are considering renewable source of energy:

1. Renewable sources are assets implies they are old and reliable sources.

2. Most renewable sources are effectively accessible in nature.

3. Renewable resources are cost-effective in contrast with non-renewable resources.

A renewable energy source implies energy that is feasible, that can't run out, or is unending, similar to the sun. It is additionally named 'alternative energy'. These assets are fit for recovery. The recovery of these sources includes a few biological cycles on a time scale. Sun, water, air, and heat from the earth are sustainable sources that we can use to make solar-based, tidal, wind, and geothermal energy. Renewable energy is additionally called green or eco energy.

Learn more about renewable resources here,

https://brainly.com/question/13258110

#SPJ4

Explain how your body gets each of the products

Answers

Urine is from having water in your system

Which type of biological molecules often serve as enzymes that speed up chemical reactions?
O nucleic acids
O carbohydrates
O proteins
O lipids

Answers

Answer:

C. Proteins

I believe

Gregor Mendel raised and observed pea plants. In his observations he noticed that some pea plants were tall and some were short. Some plants produced round peas and some produces wrinkled peas. Mendel noticed that different combinations of these traits occurred in each generation.

What is the BEST explanation for this variation in pea plants?

Answers

The pistil, a female component that creates female gametes and directs pollen grains to them, includes the stigma, so pea plants reproduce sexually creating variations, hence option A is correct.

Why do sexually reproducing organisms have variations?

Peas reproduce sexually, just like the majority of well-known animals and plants, and need both an egg cell and a sperm cell to generate children. Mendel meticulously planned matings or crosses between plants with various characteristics.

Male and female components can be found in every pea plant bloom. The anther is a component of the stamen, which is a male structure that creates gametes for males (pollen).

Therefore, pea plants reproduce sexually creating variations.

Learn more about reproduction, here:

https://brainly.com/question/25811147

#SPJ9

The given question is incomplete, so the most probable complete question is,

Gregor Mendel raised and observed pea plants. In his observations, he noticed that some pea plants were tall and some were short. Some plants produced round peas and some produce wrinkled peas. Mendel noticed that different combinations of these traits occurred in each generation.

What is the BEST explanation for this variation in pea plants?

A) Pea plants reproduce sexually creating variations.

B) Pea plants reproduce asexually creating variations.

C) Pea plants reproduce asexually making genetic copies of the parent plant.

D) Pea plants reproduce sexually making genetic copies of the parent plants.


A scientist studying a tissue sample from a sheep under a microscope finds some cells in metaphase II.
Which of the following organ did the tissue sample come from?

Answers

The organ the tissue sample was collected from is a reproductive organ such as testes or ovary.

What is metaphase II?

Metaphase is a stage of mitosis and meiosis, that follows prophase and comes before anaphase, during which condensed chromosomes become aligned before being separated.

Metaphase occurs once in mitosis but occurs twice in meiosis, which gives it the suffix metaphase I and II.

Meiosis is a kind of cell division of a diploid cell into four haploid cells, which develop to produce gametes. In essence, meiosis is for reproductive purposes solely.

According to this question, a scientist studying a tissue sample from a sheep under a microscope finds some cells in metaphase II. This means that the tissue sample emanated from a reproductive organ.

Learn more about meiosis at: https://brainly.com/question/29383386

#SPJ1

What could be a potential consequence of an organism failing to maintain homeostasis?
A. A lack of internal balance
B. The eventual death of the organism
c. Difficulty in carrying on metabolism
D. All of the above

Answers

It would be A
You welcome

Answer:

A

Explanation:

Which two strategies can a rattlesnake use to conserve energy and regulate its body temperature

Answers

Answer:

Many snakes prefer to move around during the day, when they can alternately bask in the sun's heat and slither into shadows to regulate their body temperatures. As cold-blooded animals, or ectotherms, snakes rely on the environment to keep their bodies at optimum operating temperatures.

Explanation:

The two strategies that a rattlesnake use to conserve energy and regulate body temperature are- 1.) Snake can move into the shade 2.) It can sweat to evaporate the water off the skin to lower the temperature. Options A and D are correct.

Behavioral thermoregulation- Rattlesnakes are ectothermic. This means that their body temperature is mainly regulated by the environment they live in. Rattlesnakes exhibit thermoregulatory behaviors to conserve energy and regulate body temperature.

Rattlesnakes enter torpor when resources are limited or the environment is unfavorable. During torpor, the rattlesnake’s metabolic rate slows down, allowing it to conserve energy. This process slows down the snake’s physiological processes and lowers its body temperature.

This process can occur during hibernation in cold climates or when the environment is unfavorable, such as during drought or when there is a lack of food. This allows the rattlesnakes to adapt to challenging conditions with minimal energy expenditure.

Therefore, the correct options are options A and D.

To learn more about the snake, refer to the link:

https://brainly.com/question/30247016

#SPJ4

Your question is incomplete but most probably your full question was-

Which two strategies can a rattlesnake use to conserve energy and regulate its body temperature?

A) The snake can move into the shade in order to lose the thermal energy of the environment and lower its body temperature.

B) The snake can shiver in order to increase its metabolism and raise its body temperature.

C) The snake can move into the sun or sit on a warm rock in order to gain thermal energy and raise its body temperature.

D) The snake can sweat in order to produce water that will evaporate off its skin and lower its body temperature.

What is an example of something that increased tax revenue could pay for ?

Answers

Answer:

Increased tax revenue could pay for more government-provided services. This includes things like Social Security, Medicare, food stamps for the poor, infrastructure, etc.

Basically, an increase in tax revenue can raise money for the government to pay for more things that benefit the American people as a whole

Explanation:

chest pain secondary to oxygen deprivation to the myocardium is

Answers

Chest pain secondary to oxygen deprivation to the myocardium is called angina pectoris.

Chest pain known as angina pectoris develops when the heart muscle doesn't get enough oxygen-rich blood. It is frequently a sign of underlying atherosclerosis or coronary artery disease.

A squeezing, pressure-like discomfort in the chest that can also affect the arms, shoulders, neck, jaw, or back is the hallmark of angina. Physical effort, emotional stress, or exposure to low conditions can all cause pain. Angina symptoms are frequently treated with rest and drugs like nitroglycerin.

Angina should not be disregarded because it may be an early indicator of a heart attack. In order to effectively manage angina and lower the risk of cardiovascular events, lifestyle modifications, proper diagnosis, and medication therapies are essential.

To know more about angina pectoris refer to the link below

brainly.com/question/32770139

#SPJ4

Correct question:

Chest pain secondary to oxygen deprivation to the myocardium is called  _______.

why is a seed vault for the world important. 4 reasons why.

Answers

Answer:

It is important because it provides seeds when there are none left in the world

In 1938, Albert Hoffman ad W.A. Stoll, both chemists, discovered _____________ when experimenting with a parasitic fungus that grows on rye.

Answers

Answer

In 1938, Albert Hoffman ad W.A. Stoll, both chemists, discovered LSD when experimenting with a parasitic fungus that grows on rye.

#CarryOnLearning

\( \mathfrak{WatanabeHaruto}\)

1. Why is transport of materials necessary in a plant or an animal? Explain.
2. What makes the blood look red?
3. Why is it necessary to excrete wasto products?
4. Describe the function of the heart,
5. Does transpiration serve any useful function in plants? Explain.
6. What are stomata? Give two junctions of stomata.​

Answers

Answer:

1 so that all parts of the plants and animals Get Enough nutrients and oxygen

2 the pigment called haemoglobin makes it red

3 waste products such as urea will cause great harm to the body is not excreted

4 the heart pumps blood the blood contains nutrients and oxygen facial transported to other organs so that the cells can operate

5 transpiration is the loss of water by plants. it helps with cooling down the plant after photosynthesis. Just the Way We sweat

6the stomata opens and closes to allow water to pass through it therefore transpiration occurs

Why are the supraorbital height and thumb indexes important measurements in
comparing primates

Answers

The supraorbital height is an important measurement in comparing primates because they give information related to the size of the skull above the eyes.

What do you mean by Primates?

Primates may be defined as those organisms which generally have flexible hands and feet with opposite first digits, good eyesight, and, in the higher apes, a highly developed brain.

As primates have an internal system, it is required to measure their skull size, thumb length, etc. So, the above techniques are used for measurement and comparison.

Therefore, it is well described above.

To learn more about Primates, refer to the link:

https://brainly.com/question/895295

lactose a sugar in milk is composed of one glucose

Answers

Lactose, a sugar in milk, is composed of one glucose molecule joined by a glycosidic linkage to one galactose molecule, lactose classified: Disaccharides

Lactose is classified as a disaccharide. Disaccharides are carbohydrates composed of two monosaccharide units joined together by a glycosidic linkage. In the case of lactose, it consists of one molecule of glucose linked to one molecule of galactose.

Monosaccharides, option a, are the simplest form of carbohydrates and cannot be broken down into smaller sugar units. Examples of monosaccharides include glucose, fructose, and galactose.

Pentose sugar, option b, refers to a monosaccharide with five carbon atoms. Lactose is not a pentose sugar but rather a disaccharide composed of two hexose sugars (glucose and galactose), each containing six carbon atoms.

Polysaccharides, option c, are complex carbohydrates made up of many monosaccharide units bonded together. Examples of polysaccharides include starch, glycogen, and cellulose.

Therefore, the correct classification for lactose, based on its composition of two monosaccharide units, is a disaccharide. The correct option is d.

To know more about Disaccharides, refer here:

https://brainly.com/question/3909170#

#SPJ11

Lactose, a sugar in milk, is composed of one glucose molecule joined by a glycosidic linkage to one galactose molecule. How is lactose classified? Select one: a. Monosaccharides b. Pentose Sugar c. Polysaccharides d. Disaccharides

(GIVING BRAINLIEST!!)

Which of the following correctly lists the parts of the water cycle?

A) Evaporation, condensation, temperature, precipitation, collection
B) Condensation, build-up, runoff, precipitation, collection
C) Runoff, precipitation, evaporation, melting, condensation
D) Evaporation, condensation, precipitation, runoff, collection

Explain why

Answers

Answer:

D) Evaporation, condensation, precipitation, runoff, collection

Please give me brainlyest

Explanation: The water cycle shows the continuous movement of water within the Earth and atmosphere. System that includes many different processes. Liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snow. Then I does runoff and creates a new water source or goes back to a water source.

Which THREE statements describe how the models of mitosis and meiosis demonstrate genetic continuity

Answers

Answer:

si ir Jesús money and finace and You Aldo wnat yo put they mitos because ir si the top one

Explanation:

hope ir hemos

How do tissues work together to perform a similar function? Provide an example to illustrate your point.

Answers

Answer:

You know fam if you get shot like me your tissue is damage it will take a coupled of weeks so it can heal once it heal your tissue will stick out and the that tissue will lay down flat to make a scar that how it function

Explanation:

what is the purpose of glucagon

Answers

To raise the concentration of glucose and fatty acids

Compare and contrast innate immunity and adaptive immunity.

Answers

Answer:  the difference between innate and adaptive immunity is that innate immunity is a fast immune response that provides the first line of immunological defense against infections while adaptive immunity is a slow immune response mediated by the T and B lymphocytes.

Explanation:

Hull fouling is a(n) _______ introduction of nonnative species. a. unintentional b. intentional c. unimportant d. land-based please select the best answer from the choices provided a b c d

Answers

Hull fouling is an (a). unintentional introduction of nonnative species

Meaning of Hull fouling

Hull fouling can be defined as an unintentional act that transport species from one place to another by water vessels.

Hull fouling also mean the attachment of species to a water vessel which leads to an unknowing transportation of such species

In conclusion, Hull fouling is an unintentional introduction of nonnative species

Learn more about Hull fouling: https://brainly.com/question/19475799

#SPJ1

Answer:

a. unintentional

Explanation:

trust nerds

slime molds and fungi were once included in the same taxonomic group due to some specific similarities in morphology and lifestyle. these two groups are now classified in different taxonomic groups. how would you describe these similarities now that the two groups are classified separately?

Answers

The similarities between slime mould and fungi were once considered to be in the same taxonomic group. Since they are now classified under different taxonomic groups, their similarities can be explained as convergent evolution.

Similarities between slime moulds and fungi:

1. Both have very similar life cycles.

2. Both produce spores.

3. Slime moulds are essentially fungus-like protists.

Convergent evolution is a type of evolution in which 2 species from two different taxonomic groups appear to have similar characteristics, i.e., they are analogous but have different ancestors. In this type of evolution, a certain amount of similarity may be seen on the phenotypic level but the underlying sequences of DNA which make up the organism are different.

Learn more about taxonomic groups here brainly.com/question/15374137

#SPJ4

if an iris scan is required to enter a secure facility, what kind of identification is being used?

Answers

Biometric identification.

If an iris scan is required to enter a secure facility, the identification being used is known as biometric identification. Biometric identification involves the use of physical or behavioral characteristics to identify an individual. In the case of an iris scan, the unique patterns and characteristics of a person's iris are captured and used to verify their identity.

Iris scanning technology works by using a specialized camera to capture high-resolution images of a person's iris. The iris is the colored part of the eye, and it contains unique patterns that are specific to each individual. The iris scan creates a digital template of these patterns, which can then be used to verify the identity of the person trying to gain access to the secure facility.

Using biometric identification methods like iris scans provides a high level of security and accuracy in identifying individuals. Unlike traditional forms of identification, such as ID cards or passwords, biometric data cannot be easily forged or stolen. This makes it an ideal choice for use in high-security facilities or areas where access needs to be tightly controlled. Overall, the use of biometric identification methods like iris scans helps to increase security and protect against potential security breaches.

Know more about Biometric identification here,

https://brainly.com/question/20318111

#SPJ11

Should the international community help build nuclear reactors in developing countries to fuel economic growth and provide cheap energy? Explain why or why not. Whoever answers this can you please elaborate more and if you do this you would receive 20 points thanks!

Answers

Answer:

i dont kno

Explanation:

can someone confirm if this is the right sequence?

can someone confirm if this is the right sequence?

Answers

Answer:

Confirmed

Explanation:

Will give brainliest
How do similarities in the characteristics of different animals support evolution?

Answers

Answer: First, we'll look at several types of evidence (including physical and molecular features, geographical ... It's unlikely that such similar structures would have evolved independently in each species

Explanation:yo ayeeeeeeeeeeeee

Answer:

Just like in humans animals like monkeys for example share DNA. They evolve over time for whatever reason to survive. Think about bears and the similarities and differences based on where they live or animals being able to eat certain things they wouldn't have been able to before, because that plant life is now extinct.

On East Africa's Serengeti Plains, herbivores migrate across this area following what?
nuts
grasses
rivers
berries

Answers

Answer: Grasses! The north and west crossing the Grumeti River, There where more grass.

mechanics of transcription: describe the molecules involved, the steps of the process, and location within the cell

Answers

Transcription is the process by which genetic information encoded in DNA is copied into a complementary RNA molecule. It involves several molecules and occurs in the nucleus of eukaryotic cells or the cytoplasm of prokaryotic cells. The process of transcription can be divided into three main steps: initiation, elongation, and termination.

1. Initiation:

Initiation is the first step of transcription, where the RNA polymerase enzyme binds to a specific region of the DNA called the promoter. In eukaryotic cells, additional proteins known as transcription factors assist in the binding of RNA polymerase to the promoter. Once the RNA polymerase is bound, it unwinds a small portion of the DNA helix to expose the template strand. The template strand serves as a template for the synthesis of a complementary RNA molecule.

2. Elongation:

During the elongation step, RNA polymerase moves along the DNA template strand, synthesizing an RNA molecule that is complementary to the template. It adds nucleotides to the growing RNA molecule in a 5' to 3' direction. As the RNA polymerase moves forward, the DNA helix reforms behind it. The newly synthesized RNA molecule forms base pairs with the exposed DNA template, forming a temporary RNA-DNA hybrid.

3. Termination:

Termination is the final step of transcription, where the RNA polymerase recognizes a termination signal on the DNA template. In prokaryotic cells, termination signals may involve specific DNA sequences or the formation of RNA secondary structures. When the termination signal is encountered, the RNA polymerase dissociates from the DNA template, and the newly synthesized RNA molecule is released. In eukaryotic cells, termination is more complex and involves additional factors.

The molecules involved in transcription include:

- RNA polymerase: This enzyme synthesizes the RNA molecule by adding nucleotides to the growing RNA chain.

- DNA template: One of the DNA strands, known as the template strand, serves as a template for the synthesis of the complementary RNA molecule.

- Nucleotides: These are the building blocks of RNA and are added by RNA polymerase to the growing RNA chain.

- Transcription factors (eukaryotes): These proteins assist in the binding of RNA polymerase to the promoter region and regulate the initiation of transcription.

- Termination signals: These DNA sequences or structures signal the end of transcription.

In eukaryotic cells, transcription occurs in the nucleus, where the DNA is located. After transcription, the RNA molecule undergoes processing, including the removal of introns and the addition of a protective cap and a poly(A) tail, before it is transported to the cytoplasm for further processing or translation into proteins. In prokaryotic cells, transcription occurs in the cytoplasm since they lack a distinct nucleus.

It's important to note that this description provides a general overview of transcription, and the process can vary in different organisms and under specific conditions.

To know more about transcription click here:

https://brainly.com/question/8926797

#SPJ11

Which sequence represents the levels of biological organization from smallest to largest?

Answers

The sequence that represents the levels of biological organization from smallest to largest is Option D. Organelle -> cell -> tissue -> organ -> organ system -> organism.

PROFILE OF THE ORGANIZATION:

Living things, or biological creatures, are by their very nature complicated. They are composed of smaller structures, though, which combine to create their intricacy.Although the cell is the fundamental building block of life, various structures within the cell known as organelles are in charge of particular tasks that are essential to the operation of the cell.

TISSUES are groups of cells with related activities.

Organized tissue is arranged into tissues. The ORGAN SYSTEM is a collection of organs that have similar functions.A system of organs collectively constitutes an ORGANISM.

Therefore, the sequence that represents the levels of biological organization from smallest to largest is: Organelle → cell → tissue → organ → organ system → organism.

To learn more about biological organization  Please click on the given link:

https://brainly.com/question/14501995

#SPJ4

Complete question is:

Which sequence represents the levels of biological organization from smallest to largest?

A. Organism -> cell ->tissue -> organelle-> organ system -> organ

B. Organ system -> organ -> organism -> cell -> tissue -> organelle

C. Organelle-> organ system -> cell -> organism -> tissue -> organ

D. Organelle -> cell -> tissue -> organ -> organ system -> organism

True or false: living things need sources of energy to fuel their life functions.​

Answers

Answer:

The answer to your question is True

Explanation:

It is because all living things need a source of energy to live

What is the electron charge of two electrons?

Answers

Other Questions
The following transactions occurred at the Daisy King Ice Cream Company. 1. Started business by issuing 10,000 shares of common stock for $26,000. 2. Leased a building for three years at $560 per month and paid six months' rent in advance. 3. Purchased equipment for $6,000, signing a two-year, 12% note. 4. Purchased $2,400 of supplies on account. 5. Recorded cash sales of $1,400 for the first week. 6. Paid weekly salaries, $620. 7. Paid for supplies purchased in item (4). 8. Recorded depreciation on equipment, $80. 9. Signed a franchise agreement to pay royalties of 5% of sales.10. Paid royalites due on 1st weeks sales.Required: Prepare journal entries to record each of the transactions listed above. when each edge of a cube is decreased by 1 cm, its volume is decreased by 91 cm^3 .Find the length of the a side of the original cube. Explain the difference between a profile, a pedon, and a polypedon. Your deposit $1000 in an account that earns 2.5% annual interest. Find the balance after 2 years if the interest compounds with the given frequency. When assessing an older adult client about his sleeping patterns at home, you will ask: (select all that apply)A. Do you have a bowel movement before going to bedB. What time do you go to bedC. Do you have any specific rituals at bedtimeD. What is the room environmentE. Do you experience any leg twitches in the hours before going to bed Read the excerpt from "Light Bulb Moment."Yeah, I thought that listening to lectures during sleep would be a great way to study while giving students the added bonus of more free time. As you can see, I am now failing three classes AND I am grounded, Jake said, shaking his head. He looked at the floor and muttered, I am finished with science, Stan. Im glad were heading to junior high next year, so I can start something new. Maybe I could be something new, too, like an artist.According to this excerpt, what causes Jake to give up on science?He has failed to successfully complete another science project.He would much rather be an artist than a scientist.He wants to make a new start once he gets to junior high school.He does not really enjoy science or scientific experiments. The unicellular green alga Chlorella is often used as a model organism to study the effects of various substances on the growth of photosynthetic organisms. Researchers studying the detoxification of certain metals by Chlorella first collected data on the growth dynamics of the alga. A small number of Chlorella were added to 1,500 mL of culture medium that contained all of the inorganic nutrients needed for growth. Every five days for 30 days, the researchers performed multiple counts to determine the concentration of Chlorella in the culture.A. Describe why the amount of light available to the Chlorella culture might affect the growth dynamics of the alga.B. Using the template, construct an appropriately labeled graph to represent the data in Table 1. Based on the data, determine whether the concentration of Chlorella on day 20 is statistically different from the concentration on day 15 and from the concentration on day 25.C. Based on the data, describe the time period during which Chlorella approximates exponential growth. Based on the data and assuming logistic growth, describe the time period during which the Chlorella population has reached the carrying capacity of the culture. Based on the data, calculate the growth rate per day for the five-day period with the greatest growth rateD. If the Chlorella culture is maintained for an additional 120 days, predict the most likely effect on the number of cells counted every five days. Provide reasoning to justify your prediction. if a modern organization can manage its better than its competitors, it has a much greater chance of being successful--more profitable and productive than its competitors--and of creating a competitive advantage. a. environment b. consumables c. human resources d. facilities e. equipment Sleepy hollow:What is Ichabod Crane so vain about? How does Irving show this in the story? Daniel has 3 sets of colored pencils. Each set has 6 pencils. How many pencils does Daniel have in all? Model this by drawing base - 10 blocks. Compare and Contrast the Moon and the moons of other planets how do taxes and needs-tested spending programs work as automatic fiscal policy to dampen the business cycle? taxes and needs-tested spending work as automatic fiscal policy to dampen the business cycle because taxes ______ during an expansion, and needs-tested spending ______ during a recession. ip standing 2.4 mm in front of a small vertical mirror, you see the reflection of your belt buckle, which is 0.74 mm below your eyes. Help please Im begging you, due in an hour Intro You take out a 360-month fixed-rate mortgage for $300,000 with a monthly interest rate of 0.9%. BAttempt 1/10 for 1 pts. Part 1 What is the monthly payment? 0+ decimals Submit Intro You want to borrow $600,000 from your bank to buy a business. The loan has an annual interest rate of 7% and calls for equal annual payments over 10 years (starting one year from now), after which the loan is paid back in full. Part 1 BAttempt 1/10 for 1 pts. What is the annual payment you have to make? 0+ decimals Submit Intro You decided to save $600 every year, starting one year from now, in a savings account that pays an annual interest rate of 7%. Part 1 Attempt 1/10 for 1 pts. How many years will it take until you have $100,000 in the account? 1+ decimals Submit Sam listed the weighs of his friends. They were 98 , 95 , 64 and 93 pounds. Sam said there were no outliers. Do you agree? Explain ? In the following figure angle ABC is bisected by->bd what is the measure of The example of the Great Barrier Reef is used to illustrate, A) the insignificance of coral reefs B) the lack of diversity in the ecosystem C) the consequences of increasing acidity D) the problems that too much algae can create How many distinct equivalence classes exist in the relation R defined as below: XR * Ry - 71 (2x - y When did the doctors realize that Henrietta had been correct about the growth of her cancer?