The carrying capacity of any population will stay the same A) as long as predators do not increase.
B) unless environmental conditions change.
C) regardless of emigration and immigration.
D) even though the birth rate exceeds the death rate.

Answers

Answer 1

Answer:

Answer: B) unless environmental conditions change.

Explanation:

The carrying capacity of an ecosystem can be defined as the maximum size of the members of the population of a species which an ecosystem can support in terms of availability of resources such as water, food, shelter and mates.

The carrying capacity of any population will stay the same B) unless environmental conditions change. is the correct option this is because of the fact that environmental changes such as disaster, predation and disease can limit the population of the species but the carrying capacity of the environment will remain the same.

Answer 2

Answer: The carrying capacity of any population will stay the same unless environmental conditions change.

(B)

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Why are chromosomes visible during mitosis but not at all other times?

Which subject is most likely to be studied by a biologist?

Answers

Answer: The most likely subject to be studied by a biologist is Biology. Biology as a subject is multi-disciplinary subject which means it includes all the parts related to both plants and animals. This includes zoology, botany, biochemistry, immunology, and many more. A biologist has all the information related to the metabolism of plants and animals. The growth, development, reproduction and some other issues related to animals and plants are looked after by the biologist.

the spread and treatment of diseases would be a subject that a biologist would study

Which of the following is NOT true of a reaction that breaks a bond?A. It creates low-energy products
B. It is what happens in cellular respiration
C. It is an endergonic reaction

Answers

C. It is an endergonic reaction.

Endergonic v/s Exergonic:

In the exergonic reaction, the reactants are at a higher free energy level than the products (reaction goes energetically downhill) while In the endergonic reaction reaction, the reactants are at a lower free energy level than the products (reaction goes energetically uphill).
Endergonic reactions use energy to build bonds while Exergonic reactions release energy through breaking bonds.
When a bond breaks, it creates low-energy products.
In cellular respiration, breaking of bond happens.

Therefore, the statement which is NOT true for a reaction that breaks a bond is option C.

Learn more:

brainly.com/question/14698440

Answer:

Explanation:

Endergonic reactions use energy to build bonds

Exergonic reactions release energy through breaking bonds

In a patriarchy, men play the dominant role in both marriage and the larger society.a. True
b. False

Answers

a. True, in a patriarchy men play a dominate role in society.

What function does the nose serve in the respiratory system?

Answers

It helps you smell. Without it, how would you know if you liked something or not? It also plays a big factor in taste.

it is to notice the sense of smell

The ______ is the nerve tissue at the back of the eye, which receives the image that has been formed by the cornea, the pupil, and the crystalline lens.

Answers

The correct answer is that the retina is the nerve tissue at the back of the eye, which receives the image that has been formed by the cornea, the pupil, and the crystalline lens. The retina is a delicate tissue that it important to check on in the case of eye-strain, so that general eye health can be maintained.

Retina and crystalline lens

The lens concentrates on light through the transparent humor, a transparent gel-like material that permeates the back of the eye and controls the retina. The retina sustains the image that the cornea concentrates through the eye's inner lens and converts this image into electrical vibrations that are transported by the optic nerve to the brain.

The crystalline lens is the title given to the original lens that people are born with. Small muscles connected to the lens can make the lens to change its shape, which enables the eyes to concentrate on near or far objects.

Which of the following statements about the cell cycle is/are correct? Choose all that apply. Which of the following statements about the cell cycle is/are correct? Choose all that apply. The cell cycle consists of 5 distinct phases: I, M, G1, S, and G2. All preparation for cell division occurs during M phase. At any stage of mitosis, a cell has twice as much DNA as in G1. Metabolically active cells can exit, and sometimes re-enter, the cell cycle. Extracellular conditions have no effect on cell cycle progression. Once the cell cycle has begun, it cannot be stopped without resulting in cell death.

Answers

Answer: The correct statements are-

1. At any stage of mitosis a cell has twice as much as DNA in G1.

2. Metabolically active cells can exit, and sometimes re-enter, the cell cycle.

Explanation :

1.. The cell cycle consists of 4 distinct phases - M phase which is the mitotic phase and the G1, S and G2 phase which together form the interphase. The interphase is preparatory phase wherein the cell grows in size, replicates the DNA etc. whereas the M phase is the one where events related to cell division takes place.

2. The cell has 2C amount of DNA during G1 but since the DNA replication takes place during S phase, the amount of DNA doubles up to 4 C and remains so in G2 and M phase until cytokinesis results in the formation of 2 daughter cells.

3. Sometimes, the metabolically active cells can exit the cell cycle and become quiescent until the conditions are favourable. When these quiescent cells recieve the right stimulus they can re enter the cell cycle.

4. Extracellular conditions such as nutrient availability, presence of certain mitogens, growth factors etc. do regulate the cell cycle progression. If any of these extracellular facotrs are limiting the cell cycle is arrested.

5. Once the cell cycle starts, it can be stopped without leading to cell death. When this happens it is known as cell cycle arrest. During this arrest several factors are assessed and if theire is need for repair of DNA then that also takes place. Once, the limitations are overcome or the repair is done, the cell cycle can then continue.

Final answer:

The cell cycle, comprising of interphase (G₁, S, G₂ stages) and the mitotic phase, is a series of regulated events leading to cell division. This cycle can be influenced by internal and external conditions.

Explanation:

The cell cycle is a carefully regulated sequence involving cell growth, DNA replication, and cell division that results in two new daughter cells. The cycle comprises two main phases: interphase and the mitotic phase.

Interphase is further divided into three stages: G₁, S, and G₂. During G₁, the cell is active at the biochemical level, accumulating the building blocks of chromosomal DNA, associated proteins and energy reserves.

The S phase is marked by DNA replication, resulting in identical pairs of DNA molecules. The G₂ phase is another period of growth and preparation for division. The mitotic phase includes karyokinesis (mitosis) and cytokinesis, leading to the separation of cytoplasmic components of daughter cells.

It's worth note that metabolically active cells can indeed exit and re-enter the cell cycle, and extracellular conditions along with internal signals can influence the progression of the cell cycle.