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olya-2409 [2.1K]
3 years ago
11

A human's breathing rate can be affected by

Biology
2 answers:
baherus [9]3 years ago
8 0
D. All of the above
Schach [20]3 years ago
4 0
A the level of carbon dioxide in the cells
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Inga [223]
In summer the green pigment is more than in tall meaning that there is more chlorophyll produced in the summer than in the fall
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3 years ago
Which of the following events can result in inheritable genetic variations in organisms?
serg [7]

Answer:

It is by mating.

Explanation:

You know how we all look like our parents. Well it is because some of their traits went from them to us through our DNA. So it makes us get their traits. Same with animals btw.

8 0
3 years ago
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If the average student's arms can extend about 1.3m how many students would have to join hands to form a human chain around a gi
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8 0
3 years ago
Evolution of a species could occur as a result of changes in the
victus00 [196]

Options for the question have not been provided. They are as follows:

(1) DNA in muscle cells

(2) base sequences in liver cells

(3) genes in an egg cell

(4) number of chromosomes in a fetal bone cell

Answer:

(3) genes in an egg cell

Explanation:

Evolution is the change in characteristics of a species which it develops over the time. These changes can be a result of natural selection, genetic drift, founder effect etc. They are passed from one generation to another hence the alleles for them get fixed in the population.

For evolution to occur, change should take place in germ cells. Germ cells are the one which fuse to form the organisms of next generation. If there is a change in their genes, it would also appear in next generation, unlike changes in genes of somatic cells. Since egg cell is a germ cell it is the correct answer.

5 0
3 years ago
Answering by analyzing this picture.
Sidana [21]

Answer:

B

Explanation:

6 0
3 years ago
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