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hichkok12 [17]
3 years ago
12

The best definition of an endotherm is an animal that ______.

Biology
1 answer:
grandymaker [24]3 years ago
5 0

Answer:

Animals that produce  heat to maintain optimal body temperature.

Explanation:

The endotherm are also referred to as the endothermic animals. They generate most of the heat needed internally. Examples include birds, mammals and some fishes.

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Which is true regarding the process of meiosis I?
sashaice [31]

Answer: The correct option is A (chromosome Number is reduced from diploid to haploid)

Explanation:

In sexual reproduction, offspring are produced by fusion of two different sex cells which usually come from two different parents. These sex cells are know as gametes.

Meiosis is a type of cell division that gives rise to gametes in which the chromosome number is halved. Thus, the gamete cell is said to contain a haploid number (n) of chromosomes.

A diploid cell has two sets of chromosomes: one from the male parent and the other from the female parent. When a diploid cell undergoes meiosis the following occurs:

--> the chromosomes replicate once and

--> the nucleus and cell duplicate ( divide equally) twice.

As a result, the diploid parent cell gives rise to four haploid gamete cells. Therefore the statement "chromosome Number is reduced from diploid to haploid ' is true concerning meiosis I.

7 0
2 years ago
Precipitation occurs when
borishaifa [10]
When water molecules in the atmosphere speed up and fall
3 0
3 years ago
Which of the following adaptions allowed plants to transport water and nutrients from the soil to all of the cells within the pl
Ksenya-84 [330]

Answer:

c

Explanation:

I took the test

3 0
3 years ago
Read 2 more answers
Which of the following statements about metabolism are true? Catabolism is the process in which complex substances are broken do
Daniel [21]
<h3><u>Answer;</u></h3>
  • Catabolism is the process in which complex substances are broken down, yielding a net output of energy
  • Metabolism is an integrated system in which many of the same reactions participate in degradative (catabolic) and biosynthetic (anabolic) pathways.
<h3><u>Explanation</u>;</h3>
  • Metabolism is the chemical processes occurring within a living cell or organism that are necessary for the maintenance of life. In metabolism some substances are broken down to yield energy for vital processes while other substances, necessary for life, are synthesized.
  • Catabolism is the metabolic breakdown of complex molecules into simpler ones, resulting in a release of energy. These reactions are exothermic.
  • Anabolism involves the synthesis of polymeric biomolecules and complex lipids from monomers such as fatty acids and nucleotides. Anabolic reactions are endothermic.
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Friction from an object rolling over a surface
Zarrin [17]
The answer to this is rolling friction
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