What is required for natural selection to take place?

Answers

Answer 1

Answer:

Answer:

Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.

Explanation:

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What happens to the energy that the fox uses for maintaining its body temperature

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It raises the kinetic energy (therefore the temperature) of the air around it. The energy is not lost, but entropy increases.

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Where are eggs released from in the female

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Their ovaries..........

Which of the following happens first?A)Introns are edited out of the premature DNA.
B)RNA ploymerase reaches a terminator region.
C)Nucleotides are covalently linked together.
D) RNA polymerase binds to a promoter region of DNA.

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In transcription, the enzyme that makes the RNA transcript must bind to the promoter region of the DNA before it starts making an RNA transcript. RNA nucleotides will be covalently linked together as the RNA transcript is made. The RNA transcript (also known as pre-mRNA) will be completed when the RNA polymerase reaches the terminator region. After the RNA transcript is released from the RNA polymerase, it will undergo several steps of processing, one of which involves the removal of introns

Which organelle supplies the cell with energy? a. ribosome
b. cytoplasm
c. nucleus
d. mitochondrion?

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Answer: Mitochondria.

Explanation:

Mitochondria is a double membrane bound organelle found in the cytoplasm of the cell. The main function of mitochondria is to produce energy currency ATP (adenosine triphosphate) which is used by every cell of the body to perform metabolic activities.

The energy production takes place by the process known as cellular respiration in the presence of oxygen by the breakdown of glucose.

Final answer:

The mitochondrion is the part of the cell that supplies energy. It is often referred to as the 'powerhouse of the cell' as it turns glucose into ATP, the cell's energy-carrying molecule via cellular respiration.

Explanation:

The organelle that supplies the cell with energy is the mitochondrion. Among your options, ribosome is responsible for the synthesis of proteins, the cytoplasm hosts various cell processes and the nucleus contains the cell's genetic material. However, it's the mitochondrion, often described as the powerhouse of the cell, that provides the energy. It does this by breaking down glucose into ATP (adenosine triphosphate) through a process called cellular respiration. ATP is the molecule that carries energy within cells and is vital for cell functions.

Learn more about Cell Organelles here:

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Bottleneck events are always caused by the death of most of a species’ population. Please select the best answer from the choices provided T F

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False. Bottleneck events are caused when size of a population sharply declines, and there are multiple causes of this decline. Often it involves the death of most of a species' population, for example, following a natural event, such as an earthquake or famine, or as a result of human behaviour, such as genocide. However, it can also be as a result of a separation event or mass migration during which the majority of a species does not die.

Answer:

false

Explanation:

The genus Cnemidophorus is a large group of whiptail lizards that are found in both North and South America. These lizards undergo a process in which their unfertilized eggs can develop into new individuals. This process is called

Answers

Answer: The question is not complete, options are not given but here are the options from another websites.

a. sexual reproduction.

b. binary fission.

c. parthenogenesis.

d. budding.

The correct option is C.

Parthenogenesis.

Explanation:

lizards undergo a process in which their unfertilized eggs can develop into new individuals and the process is called parthenogenesis because parthenogenesis is a reproductive strategy that involves the reproduction of new organisms without undergoing fertilization or the production of new organisms from unfertilized eggs and these can be as a result of the lizard not able to undergo sexual reproduction which can be as a result of environmental factors. This process does not involve sexual reproduction.

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This illustration drawn by a scientist is based on observations of a cell under a microscope. Which statement best describes the telophase of mitosis? a. In this stage, the nuclear membranes form around the chromosomes, forming two new nuclei.b. In this stage, the sister chromatids pull apart and migrate toward opposite ends of the cell.c. In this stage, the pairs of sister chromatids attach to the spindle fiber.d. In this stage, the membrane breaks down, freeing the chromosomes.

Eukaryotic cells reproduce asexually through the process of ________? what