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miv72 [106K]
3 years ago
15

Plz help

Biology
1 answer:
Svetach [21]3 years ago
8 0

Answer:

The correct answers are -

A. Find the absolute age of rocks at both locations.

B. Compare a layer at one location to layers at other locations

C. Identify index fossils in one or more layer at one location.

Explanation:

A scientist who studied the earth and different aspects such as it's structure and the materials it made if up known as a geologist. Classifying rocks and discovering various components and matter on earth are the major duties of a geologist.

At some point, rocks can be located at a distance beyond the reach of geologists. Nevertheless, they have a way of studying, and comparing the layers of those rocks helps them to understand the basic difference in the earth locations and the presence of certain components of earth.

Comparing rocks and layers can include these steps at first by geologists-

A. Find the absolute age of rocks at both locations.

B. Compare a layer at one location to layers at other locations

C. Identify index fossils in one or more layer at one location.

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Answer:

During exercise, your heart typically beats faster so that more blood gets out to your body. Your heart can also increase its stroke volume by pumping more forcefully or increasing the amount of blood that fills the left ventricle before it pumps.

Explanation:

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3 years ago
What type of graph is used here to represent the growth of tortoise shells?
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Species A has a diploid number of 42 chromosomes, while species B has a diploid number of 48 chromosomes. Give the chromosome nu
Arada [10]

Answer:

a. autotriploid of species A: 63 chromosomes

b. autotetraploid of species B: 96 chromosomes

c. allotriploid from species A and B: 1) 66 chromosomes and 2) 69 chromosomes

Explanation:

<u>For a.</u>

this species will have 3 haploid sets of chromosomes ('tri' means 3)

one haploid set = 21

21 × 3 = 63 chromosomes

<u>For b.</u>

this species will have 4 haploid sets of chromosomes ('tetra' means 4)

one haploid set = 24

24 × 4 = 96 chromosomes

<u>For c.</u>

there are two ways to do this:

1) two sets of chromosomes from species A and one from species B

42 + 24 = 66 chromosomes

2) one set of chromosomes from species A and two from species B

21 + 48 = 69 chromosomes

Hope that answers the question, have a great day!

5 0
3 years ago
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Answer:

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