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Katena32 [7]
3 years ago
15

According to the fossil record, which statement

Biology
2 answers:
Pepsi [2]3 years ago
6 0
<span>(1) Most of the species that have lived on Earth no longer exist.</span>
Scientists actually believe that 99.9% of all species to have lived on this planet are now extinct.
jolli1 [7]3 years ago
4 0

Answer:

(1) Most of the species that have lived on Earth no longer exist.

Explanation:

Fossil describes the remnant or trace of animals or plants in a geologic age that is preserved in the Earth's crust. It can be studied to give a fossil record, which is an evidence of past existence of a plant or an animal.

Fossil record is the history of life of an organisms documented by fossil that has been preserved in rocks. It helps paleontologists, archaeologists, and geologists to make accurate predictions about events and species.

Scientists believe that almost 99.9% of species of different organisms that have lived on Earth are now extinct. Therefore according to fossil record, most of the species that have lived on Earth no longer exist.

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Can someone help I’ve been stuck at this question for the past 10 minutes
Minchanka [31]

Answer:

I think it's

A <u>mass </u>extinction occurs when many species go extinct in a relatively short period of time.

Explanation:

Mass extinction is usually defined as a loss of about three-quarters of all species in existence across the entire Earth over a “short” geological period of time. Hence, I think the answer is correct.

3 0
3 years ago
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Why is there more air pressure at sea level than on top of a mountain?
Aleks04 [339]

Answer:

The depth (distance from top to bottom) of the atmosphere is greatest at sea level and decreases at higher altitudes. With greater depth of the atmosphere, more air is pressing down from above. Therefore, air pressure is greatest at sea level and falls with increasing altitude.

Explanation:

Your welcome<3

Got it from flexbooks.ck12.org

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3 years ago
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1. What is the best description of chromosomes by the end of anaphase II of meiosis?
Wittaler [7]

Answers:

1. <u>A) The chromosomes split apart at the centromere.</u>

2. <u>C) The chromosome pairs collect in a line across the middle of the cell.</u>

3. <u>B) anaphase</u>

4. <u>C) telophase I</u>

8 0
3 years ago
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In a chemical reaction, (blank)<br> are the substances present after the reaction.
S_A_V [24]

Answer:

products

Explanation: Substances present BEFORE a reaction occurs are described as reactants. Substances present AFTER a reaction has occurred are described as products

8 0
4 years ago
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hey all of you science talents I am in desperate needs of your help. Please don't answer randomly. Try your best and DONT ANSWER
Alex

Answer:

1. 25%

2. 75%

3. 1:2:1

Explanation:

6 0
3 years ago
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