an adult hemopoietic stem cell found in the bone marrow group of answer choices will occasionally produce epidermal cells when necessary. can produce only red blood cells. can undergo self-renewing divisions for the lifetime of a healthy animal. will express all the same transcription factors as those found in an unfertilized egg.

Answer: vestigial

Explanation: Vestigial structures are organs or anatomical structures that have been retained during evolution even though they have lost some of their ancestral functions.

Answer:

Laplace law

Explanation:

Have a nice day :)

Answer:

1 Hydrogen fuel for vehicles can solve global energy problems.

2 Governmental funding should support important programs on earth rather than space exploration.

Water usage should be regulated to ensure a continuing supply for major urban centers.

Government policy should encourage the use of biofuels.

The African animals given in the chart are lions, cheetahs, and zebras. The chart presents their population sizes in 1990 and 2000. The population of zebras is higher than the lion and cheetah populations. The lions' population declined from 100,000 to 47,000 between 1990 and 2000 is Lion and cheetah populations compete for the food source of zebras, and cheetahs outcompete lions.

Likewise, the population of cheetahs decreased from 7,500 to 2,500 between 1990 and 2000. However, the population of zebras remained relatively stable at 50,000. Therefore, one could deduce that lions and cheetahs are competing for the same food source, which is zebras.

Lions and cheetahs have a diet that includes zebras. As a result, zebras serve as a food source for both lions and cheetahs. This indicates that there is competition between lion and cheetah populations. It is important to remember that the population of zebras remained stable during this period, indicating that the food source remained plentiful. As a result, the reason for the decline in lion and cheetah populations must be due to other factors.

Therefore, the statement that is best supported by the numbers in the chart is that lion and cheetah populations compete for the food source of zebras, and lions outcompete cheetahs. The decline in lion and cheetah populations could be attributed to numerous causes, including habitat loss, disease, and human interference, among other factors.

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Answer:

See explanation

Explanation:

Sister chromatids and homologous chromosomes are both types of chromosomes that are present in the nucleus of eukaryotic cells. However, they are different from each other in several important ways:

Origin: Sister chromatids are formed during the process of DNA replication, when the double-stranded DNA molecule is replicated to produce two identical copies of the chromosome. Homologous chromosomes, on the other hand, are formed during meiosis, when the chromosomes are shuffled and recombined to produce genetically diverse gametes.

Number: Sister chromatids are always present in pairs, as they are formed during DNA replication. Homologous chromosomes, on the other hand, are present in pairs in diploid cells, but only one copy of each chromosome is present in haploid cells.

Function: Sister chromatids play a crucial role in the process of mitosis, as they are responsible for ensuring the accurate segregation of genetic material during cell division. Homologous chromosomes, on the other hand, play a role in sexual reproduction, as they allow for the shuffling and recombination of genetic material during meiosis.

Structure: Sister chromatids are identical copies of a single chromosome and are joined together at a structure called the centromere. Homologous chromosomes, on the other hand, are similar but not identical copies of each other, and they are not joined together at the centromere. Instead, they are held together by their corresponding genes, which are located at specific positions on the chromosome called loci.

Answer:

The chocolate lover bought 6 boxes of chocolate, each containing 12 truffles

Explanation:

mark me brainly

Answer:

The chocolate lover bought 6 boxes of chocolate, each containing 12 truffles. How many truffles did she buy?

Answer:

Autotrophic.

Explanation:

Answer:

D the fish in the area would thrive because upwelling brings nutrient filled water in the area.

The least useful to a taxonomist trying to place animals in the same genus is:

The correct option is A.

Taxonomists are experts in categorizing and ordering information according to a pre-existing system. To identify and define distinct concepts or organisms, taxonomists work in a variety of domains before classifying them according to shared traits and patterns.

Taxonomists classify animals  baseed on the following:

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Complete question:

Which of the following facts is least useful to a taxonomist trying to place animals in the same genus

Environmental factors such as diet or social status may cause one animal to behave or look quite different

An animal receives its DNA from its ancestors

Animals with shared ancestors have more DNA in common than animals that do not share ancestors

DNA contains the genetic instructions that guide the formation of traits in an animal:

An organism known as an obligatory halophile needs a lot of salt in its surroundings to survive. If the hypotonic environment is present in the cytoplasm of an obligatory halophile.

Halophiles are able to thrive in locations with high salt concentrations because mucilage acts as a protective covering. Also, they have specific lipids like diacidic phospholipid in their cell membranes, which aids in their ability to endure harsh circumstances.

Halophiles can be found in a variety of hypersaline settings, including saline lakes, salt pans, salt marshes, and saline soils, which are widely spread throughout different parts of the world.

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Answer:

also increase

Explanation:

more food  more animals can eat causing animals to come and also breed then the crickets will go back down causing the predators to go back down giving them a chance to go back up and the cycle continues.

Answer:

They will be doomed to repeat it.

Explanation:

Quote by George Santayana

Answer: 1. Its Structure. The ATP molecule is composed of three components. ... These phosphates are the key to the activity of ATP. ATP consists of a base, in this case adenine (red), a ribose (magenta) and a phosphate chain (blue). 2. Adenosine 5'-triphosphate, or ATP, is the principal molecule for storing and transferring energy in cells. It is often referred to as the energy currency of the cell and can be compared to storing money in a bank. 3. All living things use ATP. In addition to being used as an energy source, it is also used in signal transduction pathways for cell communication and is incorporated into deoxyribonucleic acid (DNA) during DNA synthesis.  4. All living things use ATP. In addition to being used as an energy source, it is also used in signal transduction pathways for cell communication and is incorporated into deoxyribonucleic acid (DNA) during DNA synthesis. 5. Adenosine Triphosphate is a nucleotide molecule with three phosphate groups joined in a row. ... When the third phosphate group is broken away from the ATP molecule, the stored energy is released. This, smaller amount of energy can then be safely used in other cellular reactions of life processes. ATP (adenosine triphosphate) has three phosphate groups that can be removed by hydrolysis to form ADP (adenosine diphosphate) or AMP (adenosine monophosphate). The negative charges on the phosphate group naturally repel each other, requiring energy to bond them together and releasing energy when these bonds are broken. 5. These three phosphate groups are linked to one another by two high-energy bonds called phosphoanhydride bonds. When one phosphate group is removed by breaking a phosphoanhydride bond in a process called hydrolysis, energy is released, and ATP is converted to adenosine diphosphate (ADP). 6. When one phosphate group is removed by breaking a phosphoanhydride bond in a process called hydrolysis, energy is released, and ATP is converted to adenosine diphosphate (ADP). ... This free energy can be transferred to other molecules to make unfavorable reactions in a cell favorable.  the first box is called energy added and the second box towards the questions is energy released. brainliest?

Explanation:

The minor Deimos Ring, as mentioned earlier, but it is not comparable to the extensive ring systems of Saturn or Jupiter Mercury does not have any known rings the correct combination is "Jupiter, Mars, Saturn" when referring to planets that have rings.

Out of the four options provided, the only combination that consists of three planets with rings is "Jupiter, Mars, Saturn."

Jupiter: Jupiter is the largest planet in our solar system and is well-known for its impressive ring system.

Although not as prominent as Saturn's rings, Jupiter's rings are made up of fine dust particles and are relatively faint compared to those of Saturn.

Mars: Mars is the fourth planet from the Sun and is often referred to as the "Red Planet."

While it doesn't possess a large, visible ring system like Saturn or Jupiter, it does have a thin dust ring called the Deimos Ring.

This ring is composed of dust particles kicked up by the Martian moon Deimos as it orbits the planet.

Saturn: Saturn is renowned for its spectacular and prominent ring system. It is composed of countless icy particles ranging in size from micrometers to meters.

Saturn's rings are one of the most iconic features in our solar system and are visible even from small telescopes.

The other options listed do not accurately represent planets with ring systems:

Mars, Jupiter, Mercury: While Jupiter is included, neither Mars nor Mercury have prominent ring systems.

Mars has the minor Deimos Ring, as mentioned earlier, but it is not comparable to the extensive ring systems of Saturn or Jupiter. Mercury does not have any known rings.

Mercury, Mars, Venus: None of these three planets have significant ring systems.

Mercury and Venus do not possess any rings, and Mars has only the minor Deimos Ring.

Neptune, Uranus, Jupiter: Neptune and Uranus both have ring systems, but Jupiter does not.

Therefore, this option does not accurately list three planets with ring systems.

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The minor Deimos Ring, as mentioned earlier, but it is not comparable to the extensive ring systems of Saturn or Jupiter Mercury does not have any known rings the correct combination is "Jupiter, Mars, Saturn" when referring to planets that have rings.

Out of the four options provided, the only combination that consists of three planets with rings is "Jupiter, Mars, Saturn."

Jupiter: Jupiter is the largest planet in our solar system and is well-known for its impressive ring system.

Although not as prominent as Saturn's rings, Jupiter's rings are made up of fine dust particles and are relatively faint compared to those of Saturn.

Mars: Mars is the fourth planet from the Sun and is often referred to as the "Red Planet."

While it doesn't possess a large, visible ring system like Saturn or Jupiter, it does have a thin dust ring called the Deimos Ring.

This ring is composed of dust particles kicked up by the Martian moon Deimos as it orbits the planet.

Saturn: Saturn is renowned for its spectacular and prominent ring system. It is composed of countless icy particles ranging in size from micrometers to meters.

Saturn's rings are one of the most iconic features in our solar system and are visible even from small telescopes.

The other options listed do not accurately represent planets with ring systems:

Mars, Jupiter, Mercury: While Jupiter is included, neither Mars nor Mercury have prominent ring systems.

Mars has the minor Deimos Ring, as mentioned earlier, but it is not comparable to the extensive ring systems of Saturn or Jupiter. Mercury does not have any known rings.

Mercury, Mars, Venus: None of these three planets have significant ring systems.

Mercury and Venus do not possess any rings, and Mars has only the minor Deimos Ring.

Neptune, Uranus, Jupiter: Neptune and Uranus both have ring systems, but Jupiter does not.

Therefore, this option does not accurately list three planets with ring systems.

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Due to generic factors, some people need to limit their exposure to pollen because it aggravates their respiratory systems.

What is Pathogens?

Pathogens are microorganisms, such as bacteria, viruses, fungi, and parasites, that cause diseases in humans, animals, and plants. They are capable of infecting the body and causing illness by invading host cells, tissues, and organs, and disrupting normal physiological processes.

"Generic factors" likely refers to genetic factors, which are inherited traits that can increase a person's susceptibility to certain health conditions or reactions. In the case of pollen allergies, genetic factors can play a role in determining whether a person is more likely to have an allergic reaction to pollen or not. Allergies are caused by an overreaction of the immune system to harmless substances, and this response can be influenced by genetic factors.

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Answer:

In my opinion the recipe for success would be determined by your mindset due to the fact that your mind conducts your next move if your mind stays focused on success how could you fail? You have to believe that you can succeed so that if a tasks would come to you, you wouldn't be phased by it because you believe you can already do it without even have done it .

Explanation:

Answer:

A: Using microorganisms to clean up an oil spill.

Explanation:

Bioremediation is a subcategory under biotechnology which alters environmental conditions with the usage of living organisms. It's a process that focuses on breaking down contaminants - making it an effective method to clean up oil spills due to its efficiency and affordability compared to other options.

Whithin a single population, as migration and successfull reproduction occur, Gene flow between populations increases genetic diversity over time. Option B.

Gene flow is an evolutive force, together with natural selection and genetic drift.

Gene flow occurs in populations that express migration. This is, individuals from one population migrate to the other and vice versa.

For gene flow to occur, migration is not enough. Successful mating events must also occur, through which individuals from one population get to mate with individuals with the other population, and produce fertile offspring.

This is how the following generations will get genes from both populations.

Gene flow has the opposite effects of genetic drift.

• It increases variability within each population

• It reduces genetic heterogeneity between populations

Different populations experiencing gene flow tend to be more similar genetically because they are interchanging genetic material.

Assuming we are making reference to a single population, the correct option is B) Gene flow between populations increases genetic diversity over time ⇒ within a population.

As new individuals enter the population and reproduce, new genes are part of the population genome, increasing its diversity.

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An acid environment for microorganisms and protection for the body is provided by the stomach.

The stomach is one of the most important organs of the human body that helps in the breakdown of food with the help of stomach acid. It is a muscular sac that is situated in the upper abdominal cavity. The stomach performs a wide range of functions such as mechanical digestion, chemical digestion, and absorption of nutrients. The stomach has a lining of mucous membranes that protect the stomach wall from the corrosive action of hydrochloric acid and digestive enzymes. The pH level of the stomach ranges from 1.5-3.5. This level of acidity helps in the killing of any bacteria, viruses, or parasites that enter the body through food and drink.
The stomach acid also helps in the breakdown of protein molecules and the activation of pepsin, an enzyme that is responsible for protein digestion. The low pH level of the stomach acid is maintained by proton pumps, which are found in the parietal cells of the stomach wall.

The acid environment of the stomach is essential for the growth and survival of beneficial gut bacteria, which help in the synthesis of vitamins, absorption of minerals, and protection against harmful bacteria. In conclusion, the stomach provides an acidic environment for the protection of the body against harmful microorganisms and aids in the breakdown of food for the absorption of nutrients.

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Answer:

c. carbon source

Explanation:

A "carbon source" refers to processes that hastens carbon release into the atmosphere more than what they absorb. Example of this is the burning of nonrenewable resources like fossil fuels.

The combustion of fossil fuels increases the release of carbon dioxide. Carbon is then being trapped into the atmosphere. This contributes to "global warming."

This is opposite to "carbon sink," which absorbs most of the carbon than they emit.

There are various layers that make up the atmosphere, and each has distinct properties and functions. Both weather generation and energy transmission take place in the troposphere, which is closest to the Earth's surface.

The stratosphere shields the Earth from damaging UV radiation along with the ozone layer. Most auroras happen in the mesosphere, where meteors burn up. Modern technology is dependent on the thermosphere, where the majority of the Earth's satellites orbit and where communication signals are sent.

The dynamics of the atmosphere and its interactions with the hydrosphere and lithosphere are better understood thanks to these layers. Foreseeing and minimising environmental problems like climate change and preserving our world, it is essential to understand the significance of each layer.

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Answer

B. The remains of organisms that lived millions of years ago

Explanation

Fossil is a trace of plant or animal that lived long time ago, if the organism just died it is not immediately called a fossil, so C is incorrect. Fossil is remains from organisms not everything, therefore A is incorrect. Artifacts include tools, clothing, and decorations made by people, therefore D is incorrect. The correct answer is B.

Answer:

I beleive its somthing close to a  pig

Explanation:

The DNA sequence is closest to the pig . The amino acids Gly, Thr, Leu, and Ala are from the "unknown animal." On the worksheet, the pigs amino acids are Gly, Thr, Phe, and Ala. There is only one different amino acid between the two.

I might be wrong but there u go

Answer:

I think C option is correct

Answer:

according to shape, size, and their relationship to surrounding layers of rock

Explanation:

Intrusive igneous features are those formations around the igneous rock that are developed over time when magma cools and forms a solid shape, and they may include stocks, sills, di.kes, etc.

Therefore, scientists classify intrusive igneous features according to shape, size, and their relationship to surrounding layers of rock.

The most likely explanation for the decrease in the density of gas particles in a section of Earth's atmosphere is that the air pressure in that section of the atmosphere decreased.

Density is defined as mass per unit volume. In the case of a gas, density is directly related to the number of gas particles (molecules or atoms) present in a given volume. When the air pressure decreases, it means that there are fewer gas particles exerting force per unit area. As a result, the density of gas particles in that section of the atmosphere decreases.

Air pressure is the force exerted by the gas particles on the walls of the container or the surroundings. It is influenced by several factors, including temperature, altitude, and the presence of other gases. Changes in these factors can cause fluctuations in air pressure. For example, if there is a decrease in temperature, the gas particles lose kinetic energy, which leads to decreased pressure and density.

It is important to note that the total number of gas particles in Earth's atmosphere does not necessarily change significantly over short periods of time. The atmosphere is composed of a vast number of gas molecules, and while there may be variations due to natural processes, such as volcanic eruptions or biological activities, these changes are relatively small compared to the overall composition of the atmosphere.

Therefore, the most likely explanation for the decrease in density of gas particles in a section of Earth's atmosphere is a decrease in air pressure, which can occur due to various factors such as weather systems, changes in altitude, or movement of air masses.

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The pairing of complementary strands of DNA due to hydrogen bonding is called semi-conservative replication.

The biological process of creating two identical copies of DNA from a single original DNA molecule is known as DNA replication.  All living things replicate their DNA, which is the primary mechanism for biological inheritance. This is necessary for:

A double helix (two linear strands that run counterclockwise and twist together) of two complementary strands makes up DNA.

These strands are split apart in the replication process. The mechanism of semiconservative replication uses each strand of the original DNA molecule as a template to create its counterpart. The new helix will be made up of an original DNA strand as well as a freshly synthesized strand as a result of semi-conservative replication.

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When you get an idea, write it down as quickly as possible. Now that you have a jumble of information and thoughts, you need to put them all together in a way that is readable and does justice to your research.

This is further explained below.

Generally, In many different kinds of research, the primary task of interpretation can only be finished after the vast bulk of the data has been gathered.

Others possess data (for instance, in the form of historical records or literary works), and the effort required to analyze this material begins much earlier on in the qualitative research process.

In conclusion, No matter what kind of research you are carrying out, there will come a time when the results of your analysis will fill your head to bursting point with new concepts.

In conclusion, You need to scribble them down as soon as the thought came to you. Now that you have a mess of facts and ideas, you need to organize them into a written piece that is legible and appropriately expresses your findings.

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