When members of a species stop reproducing with each other because their sperm and egg do not create viable offspring, this is _______________ reproductive isolation. ILL GIVE BRAINLIEST!! picture also attatched.
A. gamete
B. temporal
C.behavioral
D.mechanical

Answer:

The answers is b

Answer:

Natural selection

Explanation:

Whether or not an organism survives to reproduce depends on their surrounding environment. This is natural selection. Over time, that mutation can develop into a distinguishable adaptation and/or become more pronounced in a species since it increases the chances of survival.

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The orbital speed of the planet is approximately [tex]\(4.20 \times 10^3 \, \text{m/s}\).[/tex]

The orbital speed of a planet or satellite refers to the speed at which it revolves around a central body in a circular orbit. To calculate the orbital speed, we can use the formula:

[tex]\[ v = \sqrt{\frac{G \cdot M}{r}} \][/tex]

where:

- [tex]\( v \)[/tex] represents the orbital speed,

- [tex]G[/tex] is the gravitational constant (approximately [tex]\(6.673 \times 10^{-11} \, \text{N} \cdot \text{m}^2/\text{kg}^2\)),[/tex]

- [tex]M[/tex] is the mass of the central body (such as a star) around which the planet orbits,

- [tex]r[/tex] is the distance between the planet and the central body.

By plugging in the appropriate values into this formula, we can calculate the orbital speed. The square root ensures that the speed is positive and represents the magnitude of the velocity.

To calculate the orbital speed of the planet, we can use the formula for the orbital speed of a satellite in a circular orbit:

[tex]\[ v = \sqrt{\frac{G \cdot M}{r}} \][/tex]

Where:

[tex]\( v \)[/tex] is the orbital speed of the planet,

[tex]\( G = 6.673 \times 10^{-11} \, \text{N} \cdot \text{m}^2/\text{kg}^2 \)[/tex] is the gravitational constant,

[tex]\( M = 3.5 \times 10^{31} \, \text{kg} \)[/tex] is the mass of the star,

and [tex]\( r = 1.2 \times 10^{11} \, \text{m} \)[/tex] is the distance between the planet and the star.

Plugging in these values into the formula, we get:

[tex]\[ v = \sqrt{\frac{(6.673 \times 10^{-11} \, \text{N} \cdot \text{m}^2/\text{kg}^2) \cdot (3.5 \times 10^{31} \, \text{kg})}{(1.2 \times 10^{11} \, \text{m})}} \][/tex]

Evaluating the expression, we find:

[tex]\[ v \approx 4.20 \times 10^3 \, \text{m/s} \][/tex]

Therefore, the orbital speed of the planet is approximately [tex]\(4.20 \times 10^3 \, \text{m/s}\).[/tex]

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Answer:

C. structure of their plasma membranes

Explanation:

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Answer:

1. Living characteristics of viruses include the ability to reproduce – but only in living host cells – and the ability to mutate.

2.Viruses cannot reproduce independently; cell-based organisms can reproduce independently.

Answer:

In the capillaries, oxygen flows rapidly through the blood through this air-blood barrier. Closely, carbon dioxide flows into the alveoli from the blood and is then exhaled.

Explanation:

Answer:

This is Because they can't be 100% in location of PCBs since animals could spread and reproduce among different places with these toxins within their systems.

Explanation:

Answer:

Hi how are you doing today Jasmine

Marine plastics are a major problem due to several reasons. These include the following:Plastic can harm marine life through entanglement or ingestion. This is because the marine animals mistake the plastic for food and ingest it, leading to a wide range of health problems and even death. Additionally, plastic waste floating on the ocean's surface poses a threat to seabirds, turtles, and marine mammals, which can become entangled in it and lose their mobility.

Bacteria that cling to the plastisphere are dangerous to human health. The plastisphere is a thin layer of bacteria and other microorganisms that cling to floating plastic debris. This bacterium is harmful to human health and can cause diseases such as cholera, E. coli, and other infections when consumed in contaminated seafood.The large amount of plastic pollution interferes with human fishing activities. Plastic waste floating on the ocean's surface interferes with fishing activities. It causes significant damage to nets and other fishing gear, reducing the fishing industry's productivity and profits.

Plastic particles in the oceans attract and adsorb toxic chemicals, which could end up in food products. These toxic chemicals include pesticides, polychlorinated biphenyls (PCBs), and other chemicals that could have serious health implications when consumed by humans. The plastic particles that adsorb these chemicals are often ingested by marine animals and end up in the food chain.The plastic reacts with the ocean water and increases its acidity. As plastic waste breaks down in the ocean, it releases chemicals that acidify seawater.

This is harmful to marine life, especially those with shells or exoskeletons, and can lead to a significant decline in the ocean's biodiversity.

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Fuels such as gasoline are nonpolar and have high potential energy because they are largely composed of hydrocarbons.

What are hydrocarbons?

Hydrocarbons are compounds that consist of hydrogen and carbon atoms. They can be either aliphatic or aromatic. Aliphatic hydrocarbons are straight chains, branched chains, or cyclic chains, while aromatic hydrocarbons have a ring of atoms, usually carbon but sometimes other elements such as nitrogen or oxygen, with alternating double bonds. Hydrocarbons are non-polar and are therefore hydrophobic, which means they are not soluble in water.

Fuels such as gasoline have high potential energy because the hydrocarbons they are composed of have strong carbon-carbon and carbon-hydrogen bonds. These bonds contain a significant amount of energy that is released when the fuel is burned.

Gasoline is a mixture of hydrocarbons, including small molecules like methane (CH4) to large molecules like octane (C8H18). The potential energy of gasoline is due to the large number of carbon-hydrogen bonds in these hydrocarbon molecules, which are a highly stable form of chemical energy. When gasoline burns, these bonds break, releasing the stored energy in the form of heat and light.

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Answer:

edge⬇️

Regarding functions occurring in the stomach in the presence of protein: All the answers are true, option d is correct.

G-cells secrete gastrin: Gastrin is a hormone that stimulates the release of gastric acid and enhances gastric motility, which aids in protein digestion.

Chief cells secrete pepsin: Pepsin is an enzyme released by chief cells that breaks down proteins into smaller peptides, facilitating their digestion.

Enteric neuron is activated: The enteric nervous system controls various digestive functions, including the regulation of gastric acid secretion and muscle contractions in the stomach. In the presence of protein, the enteric neurons are activated to coordinate these processes.

Parietal cells secrete HCl: Parietal cells are responsible for secreting hydrochloric acid (HCl) into the stomach. HCl creates an acidic environment that helps activate pepsin and facilitates protein digestion, option d is correct.

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The main abiotic reservoir for elements involved in local biogeochemical cycles, such as calcium and phosphorus, is soil.

Soil serves as the main storage reservoir of nutrients, water, and energy in ecosystems, playing a crucial role in the biogeochemical cycling of elements. This is because the soil is composed of minerals and organic matter that release nutrients and elements to the plants, which are then consumed by animals and transferred up the food chain.So, the correct option is (D) Soil, and it is the most suitable answer for this question.

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Answer:

The best way to reduce the symptoms of hyponatremia is to replace the body's sodium.

Explanation:

As seen in the question above, sweating causes the body to lose water and salts, such as sodium. We know that the excess of sodium in the body is harmful, however, the lack of sodium is also harmful, and can cause hyponatremia.

The loss of water in sweating can be reversed with water intake, but the loss of sodium must be reversed with sodium intake and the best way to do this is by eating salty foods. Sodium is one of the components of the salt used in the preparation of foods. In that case, when an individual eats salty foods, after having lost sodium molecules in perspiration, he will be replacing the lost sodium.

Answer:

Type O- blood is the universal donor

Type AB- blood is the universal recipient

Answer:

These continents were joined together at one time in the past

Explanation:

i think

Answer:

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MHC restriction and self-tolerance are crucial traits for growing T cells to have. The answer is MHC restriction and self-tolerance.

The capacity of T lymphocytes to identify and engage with antigen-presenting cells (APCs) that show antigens attached to MHC molecules is known as MHC (Major Histocompatibility Complex) limitation. In the thymus, T cells go through a process known as a positive selection in which they are chosen based on their capacity to recognize self-MHC molecules. By doing this, T cells are guaranteed to only be able to recognize and react to antigens that are presented by MHC molecules that are unique to their own species.

The capacity of T cells to identify and tolerate self-antigens is referred to as self-tolerance. In the thymus, T cells go through a process known as negative selection in which T cells that exhibit a high response to self-antigens are destroyed by apoptosis (programmed cell death). This procedure aids in stopping the growth of T cells that may otherwise assault the body's own tissues.

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The antidiuretic hormone (ADH) is a hormone that is secreted in response to a decrease in blood volume or an increase in osmolality.

The antidiuretic hormone (ADH) is a hormone that is secreted in response to a decrease in blood volume or an increase in osmolality. Its primary function is to promote water retention in the body by altering the permeability of the collecting ducts of the kidneys to water.Influencing the permeability of the collecting duct to water:Antidiuretic hormone promotes the retention of water by influencing the permeability of the collecting duct to water. In the absence of ADH, the collecting ducts are impermeable to water. As a result, water cannot be reabsorbed into the bloodstream, and it is excreted in the urine. In contrast, in the presence of ADH, the collecting ducts become permeable to water. As a result, water can be reabsorbed into the bloodstream, and it is retained by the body. The active transport of water is not a process that occurs in the kidneys. Instead, water is reabsorbed into the bloodstream by passive osmosis, which is driven by differences in solute concentration between the tubular fluid and the interstitial fluid.The active transport of Na:While the active transport of Na does play a role in the regulation of water balance, it is not directly involved in promoting the retention of water by the kidneys. Instead, it promotes the reabsorption of Na and other solutes from the tubular fluid into the interstitial fluid. This, in turn, helps to maintain the osmotic gradient that drives water reabsorption by passive osmosis.All of these promote the retention of water:While active transport of chloride does not directly promote the retention of water, it does play a role in maintaining the electroneutrality of the tubular fluid, which is important for the proper functioning of the kidneys. As such, all of these processes do promote the retention of water in the body.

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Answer:

prophase, metaphase, anaphase and telophase

Total, 6% of the organisms in the population are homozygous dominant.

In a Hardy-Weinberg equilibrium, the frequency of alleles remains constant from generation to generation. The Hardy-Weinberg equilibrium equation states that the frequencies of genotypes in a population can be expressed as;

p² + 2pq + q² = 1

where;

p = frequency of the dominant allele

q = frequency of the recessive allele

Given that 16% of the organisms are homozygous recessive (q² = 0.16), we can calculate q;

q² = 0.16

q = √0.16

q ≈ 0.4

Since p + q = 1, we can calculate p;

p = 1 - q

p = 1 - 0.4

p ≈ 0.6

To determine the percentage of individuals that are homozygous dominant (p²), we can square the value of p and multiply by 100;

Homozygous dominant percent = p² × 100

Homozygous dominant percent = (0.6)² × 100

Homozygous dominant percent ≈ 36%

Therefore, approximately 36% of the organisms in the population are homozygous dominant.

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--The given question is incomplete, the complete question is

"A population of mice is in Hardy-Weinberg equilibrium. sampling techniques count 16% of the organisms are homozygous recessive. what percent are homozygous dominant."--

Answer:

They connect through a cycle

Explanation:

Both plants and animals can be a food source for animals. Plants also create an environment so that animals can live with less complications

4 moles P: 2 moles P2O5 and 5 moles O2: 2 moles P2O5 option (d) are the correct mole-mole factors for the given equation.

The mole-mole factors for the equation

4P(s) + 5O2(g) → 2P2O5(s)

are as follows:

4 moles P: 2 moles P2O5

5 moles O2: 2 moles P2O5

Balanced chemical equation:

4P(s) + 5O2(g) → 2P2O5(s)

The mole-mole factors are the stoichiometric coefficients of the given balanced chemical equation.The given equation represents the reaction between P (solid) and O2 (gas) to form P2O5 (solid). Therefore, the mole-mole factors for the equation are:4 moles P: 2 moles P2O55 moles O2: 2 moles P2O5. Therefore, option (d) 4 moles P: 2 moles P2O5 and 5 moles O2: 2 moles P2O5 are the correct mole-mole factors for the given equation.

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One negative effect of human influence on cycles of matter is decreased soil nitrogen due to the harvesting of crops. Nitrogen is one of the main nutrients needed for the growth of plants. The soil nitrogen is cycled between the atmosphere.

Human activities such as farming, agriculture, and industrialization have increased the amount of nitrogen in the environment and led to pollution. Some of the nitrogen-based fertilizers used in agriculture can cause eutrophication, which is the excessive growth of algae in water bodies due to the overuse of nutrients.

The increased amount of nitrogen in the soil can cause the soil to lose its fertility, leading to decreased crop yields. The depletion of nitrogen in the soil can also reduce the quality of the soil and negatively impact the ecosystem as a whole.

Therefore, it is essential to take necessary measures to avoid excessive depletion of soil nitrogen to maintain the fertility of the soil and avoid environmental pollution. These measures can include the use of natural fertilizers, crop rotation, and the use of nitrogen-fixing crops, such as legumes, to restore soil nitrogen levels.

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The term "workhorse" is often used to describe Drosophila (fruit flies) in the field of genetics. It refers to the fact that Drosophila has been extensively used as a model organism in genetic research for over a century.

Some reasons why Drosophila is considered a genetic workhorse:

Overall, the term "genetic workhorse" highlights the significant contributions that Drosophila has made to our understanding of genetics and biological processes. Its genetic advantages, tools, similarities to higher organisms, observable traits, and supportive research community have established Drosophila as a powerful model organism for genetic research.

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Answer:

A = water

B= Glucose

C = Oxygen(O2)

Explanation: