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Sladkaya [172]
3 years ago
9

The oldest known fossils of multicellular organisms were found in 700-million-year-old rocks. Which of the following processes l

ed to the evolution of multicellular organisms?
Biology
1 answer:
bija089 [108]3 years ago
6 0
The oldest fossils this is a easy one use your biology textbook and turn to the back of the book under fossils and there is your answer
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A hygrometer is used to measure ____________, and its measurements will differ between climate zones.
Zanzabum
<span>A hygrometer is used to measure WATER VAPOR, and its measurements will differ between climate zones.

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4 0
4 years ago
Which of the following statements is true?
blagie [28]

Answer:

C. capillaries connect arteries and veins.

Explanation:

A is false, veins carry blood towards the heart.

B is false because arteries are the thickest blood vessel.

C is completely true

D is false, heartbeat is controlled by electric impulses

6 0
4 years ago
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Name three characteristics of the cells that make up the muscle tissue in the heart.
Goryan [66]
Striped, one nucleus and smaller than skeletal muscles.

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5 0
4 years ago
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Suppose there are two homologous chromosomes. Each chromosome contains a single mutant allele in different parts of the chromoso
Harlamova29_29 [7]

Answer:

Cross overs can lead to formation of chromosome pairs that have no mutant allele.

Explanation:

Cross overs can lead to formation of chromosome pairs that have no mutant allele.

For example -

Suppose "X" is a mutant  allele and "x" is a mutant free allele.

Now when two homologous chromosomes contains a single mutant allele in different parts of the chromosome are crossed the following offspring are produced

X x

X XX Xx

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8 0
3 years ago
Which of these processes describes the effect Earth’s atmosphere has on Earth’s biosphere?
frozen [14]

The processes that describes the effect Earth’s atmosphere has on Earth’s biosphere is Ocean levels rise from glaciers melting

Answer: Option B

<u>Explanation:</u>

The earth’s biosphere is a region where the life on earth occurs; the atmosphere is a region of the earth that is made up of gases in the universe. The earth was designed in such a way that the gases in the atmosphere are balanced but due to improper human activities, the percentage of the gases in the atmosphere has become unbalanced, this causes global warming.

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3 years ago
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