The bulk of primary production that occurs on or near a coral reef is a result of: symbiotic zooxanthellae.
A coral reef is a solid structure that forms from the accumulation of stony corals.
Hermatypic corals form massive structures in shallow areas of tropical and subtropical seas, favored by the symbiotic relationship that they maintain with zooxanthellae contained in the tissue of polyps.Zooxanthellae, being photosynthetic organisms, capture CO2 dissolved in the medium to transform it into sugars, and the total rate at which CO2 is captured by all photosynthetic organisms in the ecosystem is known as the gross primary productivity.Corals and zooxanthellae carry out respiration, where the energy of the sugars produced in photosynthesis is produced and releases CO2, the difference between gross primary productivity and respiration is the net primary productivity.Therefore, we can conclude that zooxanthellae capture dissolved CO2 in the medium to transform it into sugars, the total rate at which CO2 is captured by all photosynthetic organisms is the gross primary productivity.
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Fossils in _______ layers of rock are generally estimated to be _______ than fossils found in the upper layers.
older, younger
newer, younger
older, older
newer, older
Answer:
older, older
Explanation:
Fossils deeper in the ground are older.
Answer: C) older, older
How does mechanical isolation serve as a prezygotic isolating mechanism for members of different species
What kind of cells are the ‘strings’ in celery stalks
Answer:
Collenchyma cells are elongated and filled with water. The pressure of the water against the cell walls creates a stiffness that gives celery its crunch. These are the strings in celery.
What are the 5 main points of Darwin's theory?
Answer:
For Darwin himself these five theories were apparently much more a unity than they appear to a person who analyzes them with modern hindsight. The five theories were: (1) evolution as such, (2) common descent, (3) gradualism, (4) multiplication of species, and (5) natural selection.
Farmer Betty is famous for her winged pigs. Having wings (G) is dominant over not having wings (g). Farmer Betty mates a winged pig to one without wings (GG x gg) and all of the offspring are heterozygous (Gg). Do the heterozygous piglets have wings?
Question 7 options:
Half of them do
Yes, but just one
Yes
No
In a heterozygous organism, the recessive trait is concealed by the dominant one. Option C is correct. All Heterozygous piglets have wings.
Law of inheritance:
When two pure parents are crossed, in the first generation all the offsprings will be heterozygous and show dominant character only.
In the Given scenario,
Winged pigs (G) are dominant over the non-winged pigs(g).
The cross is
(GG x gg)
In the F1 generation, all pigs are heterozygous.
Since all winged pigs are dominant over the non-winged pigs.
Therefore, Option C is correct. All Heterozygous piglets have wings.
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Marie discovers boxes of elements in a storage room. The boxes do not say which elements they contain, but they do have information about their locations on the periodic table. What kind of information would allow Marie to determine which boxes contain the most reactive elements? (Please write an OG response, and fast!)
Answer:
The boxes that show locations in groups 1 or 2, or in period 8 contain the most reactive elements.
Explanation:
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write a hypothesis statement about the relationship between the number of mushrooms and nitrate concentration in the soil.
If the nitrate concentration in the soil increases, then the number of mushrooms will also increase.
A hypothesis is a proposed explanation for a phenomenon that can be tested through scientific investigation. In this case, the hypothesis proposes a relationship between the number of mushrooms and nitrate concentration in the soil. Nitrate is an important nutrient for the growth of mushrooms, and therefore an increase in nitrate concentration could lead to an increase in the number of mushrooms. This hypothesis can be tested by conducting experiments in which the nitrate concentration in the soil is manipulated and the number of mushrooms is measured. If the hypothesis is supported by the results of the experiments, it could provide valuable insights into the factors that influence mushroom growth and help to optimize the conditions for mushroom cultivation.
The proposed hypothesis suggests that there is a relationship between the nitrate concentration in soil and the number of mushrooms. Nitrate is a form of nitrogen that is essential for the growth of many plant species, including mushrooms. In the process of nitrification, soil bacteria convert ammonium into nitrate, which can then be taken up by plants, including mushrooms. An increase in the concentration of nitrate in the soil could provide more nitrogen for mushrooms to grow, resulting in an increase in the number of mushrooms. To test the hypothesis, experiments can be conducted in which the concentration of nitrate in the soil is varied, and the number of mushrooms grown in each condition is recorded. The data collected can then be analyzed to determine whether there is a significant relationship between nitrate concentration and mushroom growth. If the hypothesis is supported by the data, it could have important implications for agriculture and forestry, as it could help to optimize the conditions for the growth of mushrooms and other nitrogen-dependent plant species.
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An antimicrobial disk on a kirby-bauer plate that shows no zone of inhibition indicates that the microbe being tested is __________ to the drug.
Answer: Resistance
Explanation:
The antimicrobial disk had no effect on the growth of the microbe indicating that the microbe is resistant to that specific antimicrobial.
What features form when two continental plates collide?
Answer:
a collision between the two plates crunches and fold the rock at boundary lifting it up and and leading to the formation of mountains and mountain ranges
Explain how form and function are related in human cells, including examples. Use at least five sentences in your answer. The shape of a cellular structure is related to the function they have perform
Compare and contrast epithelial and muscle tissues. Use at least three sentences in your answer.
Explanation:
Form and function are intimately related in human cells. The shape and structure of cellular components are often specifically designed to carry out their respective functions effectively. For example, red blood cells are disc-shaped with a concave center, which increases their surface area for efficient oxygen and carbon dioxide exchange. Neurons have long, branching extensions called dendrites and axons, allowing them to transmit electrical signals over long distances.
Epithelial tissues are composed of closely packed cells that form protective barriers and linings in the body. They cover external surfaces (such as the skin) and line internal organs and cavities (such as the digestive tract). In contrast, muscle tissues consist of cells that are specialized for contraction and movement. There are three types of muscle tissues: skeletal muscle, responsible for voluntary movements; cardiac muscle, found in the heart; and smooth muscle, which controls involuntary movements in organs like the intestines.
Epithelial tissues primarily function in protection, absorption, and secretion. They have tightly packed cells with minimal extracellular matrix. In contrast, muscle tissues are specialized for contraction and movement. They contain long, elongated cells (muscle fibers) that can generate force. Skeletal muscle is striated and allows for voluntary movements, while cardiac and smooth muscles have different structures and functions specific to their respective roles in the body.
In summary, the relationship between form and function is evident in human cells. Cellular structures are designed with specific shapes and arrangements to perform their functions efficiently. Epithelial tissues provide protective barriers and linings, while muscle tissues enable contraction and movement. Understanding the relationship between form and function helps us appreciate the intricate design of cells and tissues in the human body.
The 3 light elements are Hydrogen, ____________, and _______________.
Which group, named from their cuplike sexual reproductive asocarp, make up 75% of know fungi?
Answer: Sac Fungi, or Ascomycota.
Explanation: This type of fungi has cupcake asocarp.
the complementary base pairs for the DNA strands given. CCC-GGG-TAT-GCA-TGT
Answer:
GGG-CCC-ATA-CGT-ACA
Explanation:
Cytosine pairs with Guanine
Adenine pairs with Thymine
Mnemonic to help you remember: The Car is the the Garage, Apples are on the Tree.
what is element bond in simple words
Answer:
a chemical bond is a lasting attraction between atoms or molecules
Glucose and glycogen are examples of what group of organic compounds.
which of the following factors would not increase the virulence of a specific microbe
The presence of a microbe in small numbers would not increase its virulence.
Virulence refers to the ability of a microorganism to cause disease or harm within a host. Factors that enhance virulence typically involve mechanisms that allow the microbe to evade or overcome the host's immune system and cause more severe damage.
Options a, b, and d are all factors that can increase the virulence of a microbe. Secretion of toxins can directly damage host cells and tissues, leading to disease progression. Bacterial pili, which are hair-like appendages on the surface of some bacteria, can aid in attachment to host cells and enhance the ability to invade tissues. Secretion of invasive enzymes can facilitate the penetration of the microbe into host tissues and contribute to the spread of infection.
However, the presence of a microbe in small numbers alone does not necessarily increase its virulence. Virulence is more dependent on the specific mechanisms and factors employed by the microbe to establish infection and cause harm, rather than the numerical abundance of the microbe. In fact, some highly virulent pathogens can cause severe disease even when present in relatively small numbers due to their potent virulence factors and the ability to evade host defenses.
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The complete question is:
Which of the following factors would not increase the virulence of a specific microbe?
a. secretion of toxins. b. presence of bacterial pili. c. presence in small numbers. d. secretion of invasive enzymes.Once you’ve decided on your three organisms, the next step is to ask questions about the characteristics of the organisms you chose. This step will help you complete the Venn diagram. Here are a few questions to help you:
How many stages are present in the life cycles of these organisms?
Does a metamorphosis occur during their life cycles?
How do these organisms gain energy for their growth?
Where do these organisms live on Earth?
Can these organisms move freely?
What type of reproduction do these organisms have?
Are the organisms genetically identical or different from their parents?
Do these organisms produce many or few offspring at one time?
What other specialized structures or reproductive strategies do these organisms have?
life cycle: an organism’s stages of growth and development that lead to the production of offspring
Write down two additional questions you’ll research.
URGENTT
what do the three major checkpoints for cell division have in common?
Answer:
There are three major checkpoints in the cell cycle: one near the end of G1, a second at the G2/M transition, and the third during metaphase. Positive regulator molecules allow the cell cycle to advance to the next stage. ... Each successive cell division will give rise to daughter cells with even more accumulated damage.
Explanation:
Which of the following is an example of heat transfer by conduction?
A shirt warmed when it touches a hot iron
Warm and cold water circulating in the ocean
Sunlight warming a room early in the morning
Hot air rising and cold air sinking on a beach
Answer:
A shirt warmed when it touches an iron
Explanation:
Conduction heat transfer is the transfer of heat by means of molecular excitement within a material without bulk motion of the matter. Conduction heat transfer in gases and liquids is due to the collisions and diffusion of the molecules during their random motion.
Conduction is the process by which heat or electricity is directly transmitted through a substance when there is a difference of temperature or of electrical potential between adjoining regions, without movement of the material.
10 facts about “molecules”
help urgent
Which environment was this prey found in? meadow evergreen forest marsh woodland
Answer:
This prey would be found in woodland.
Answer:
D. Woodland
Explanation:
:(:
Which term refers to the water that flows on the ground's surface? *
Answer:
swamps
Explanation:
elements or compounds produced by a chemical reaction
Answer:
Are known as a reactant!
Explanation:
Giant kelp, which can grow up to 60 meters, are known as (1 point)
vascular plants.
protists.
nonvascular plants.
fungi.
Giant kelps that grow as on as 60 meters are known as protists
Giant kelps are known as sea weeds, thy can grow up to a length of 60 meters. These sea weeds can grow at a very fast rate. Even though a lots factors like sunlight, pollution can affect the growth of these sea weeds.
A lot of industries today make use of these protists for production of products such as body creams, toothpaste.
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What type of hybrid zone involves a weakening of reproductive barriers?
Answer:Fusion
Explanation:
The three categories of neurons are called neurons, neurons, and interneurons.a. Trueb. False
The given statement "The three categories of neurons are called neurons, neurons, and interneurons" is B. False because The three categories of neurons are called sensory neurons, motor neurons, and interneurons.
Sensory neurons are responsible for transmitting sensory information from the body's tissues and organs to the brain and spinal cord. Motor neurons, on the other hand, are responsible for transmitting signals from the brain and spinal cord to the muscles and glands in the body, allowing for movement and other bodily functions. Finally, interneurons are responsible for connecting sensory and motor neurons, allowing for communication and coordination between the two.
It is important to note that these three categories are not mutually exclusive, as some neurons can have characteristics of multiple categories. For example, some sensory neurons can also act as interneurons, transmitting signals between different sensory neurons or between sensory and motor neurons. Similarly, some motor neurons can also receive sensory input, allowing for fine control of movement.
In summary, the three categories of neurons are called sensory neurons, motor neurons, and interneurons, and they play important roles in allowing for communication and coordination within the nervous system. Therefore the correct option is B
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Which of the following is not a required element of threatening another with a deadly weapon (PC 417). Select the incorrect answer.
No, based on the available scientific data and records, carbon dioxide (CO2) concentrations in the Earth's atmosphere have not been higher than today's levels over the past 800,000 years.
Scientists have been able to reconstruct past atmospheric CO2 concentrations through various methods, such as analyzing air bubbles trapped in ice cores. These records show that during the interglacial periods of the past 800,000 years, CO2 concentrations typically ranged between 180 and 300 parts per million (ppm).
However, due to human activities, primarily the burning of fossil fuels, CO2 concentrations have been steadily increasing since the industrial revolution. As of my knowledge cutoff in September 2021, the atmospheric CO2 concentration had surpassed 415 ppm, which is significantly higher than any natural variation observed over the past 800,000 years.
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1. Which process is needed to maintain proper body temperature?
digestion
photosynthesis
peristalsis
oxidation
which of the following accurately explains why human siblings differ in appearance from one another?
A). each of them inherits a unique member of chromosomes.
B). gametes have higher rates for mutations, which allow for more genetic diversity.
C). alleles are interchanged during meiosis, which results in genetically distinct offspring.
D). genes are rearranged during mitosis, which results in new combinations of chromosomes.
Answer:
C
Explanation:
About the options:
A) That's not true. Every human been inherits the genes from it's parents.
B) That's not true. Gametes have no higher tendency for mutation, that could be dangerous: if a deletirous mutation appears, the organism could die. Mutations don't happen for a purpose, so, mutate can be extremaly bad - and usually is.
C) That's true. One of that interchangends is the crossing-over: nearby chromosomes exchanges parts. It happens in the beginning of meiosis.
D) That's not true. Mitosis is a procedement of cloning cells. If a new combination happen, then we have a mutation and the cell will be probably killed.
The siblings differ in appearance from one another as alleles get interchanged at the time of meiosis, which eventually results in genetically distinct offspring.
What is crossing over?It is the swapping of the genetic material, which takes place in the germ line. During the meiosis, the paired chromosomes from each parent get arrange in a manner that identical sequences of DNA from the paired chromosomes cross over each other.
The phenomenon of crossing over takes place during the start of meiosis, in this the parts of the nearby chromosomes get interchanged. This interchanging of alleles during meiosis leads to the formation of genetically distinct offspring. Therefore, the siblings differ in appearance from one another.
Thus, the correct answer is option C.
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What major process that requires oxygen do organisms perform to produce energy?
Answer:
Cellular respiration
Explanation: