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SSSSS [86.1K]
3 years ago
7

1.

Biology
1 answer:
Dovator [93]3 years ago
7 0
1. B
2. D
3. A
4. D
5. B
6. B
7. A
8. A
9. D
10. A

I just took this quiz and got 100%... Hope this helps!
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Briefly outline the progressive evolution of the respiratory and circulatory systems in vertebrates
nikitadnepr [17]

Answer:

The circulatory system has evolved over time from simple diffusion through cells, in the early evolution of animals, to a complex network of blood vessels that reach all parts of the human body. Made of specialized and unique cardiac muscle, it pumps blood throughout the body and to the heart itself.

Claps shut at birth. Evolutionary changes in the vertebrate heart are tied to change from single to double-circuit heart, with increased separation of oxygenated and deoxygenated blood, allowing more efficient respiration and circulation to fuel high activity and increased oxygen demands associated with endothermy.

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3 years ago
Which of the following are steps of the inquiry process?
natka813 [3]

Answer:

Understand the problem.

Make a plan.

Carry out the plan.

Look back and reflect.

Explanation:

3 0
3 years ago
PLEASE I DONT UNDERSTAND THIS!! qnq
denpristay [2]

Interesting biology question.

In order to answer this question, I hope you understand what is mitosis: cell division that creates two diploid "daughter" cells that are identical to each other. Gametes, remember, are the reproductive cells (egg cells and sperm).

If human gametes were made by mitosis, which is not true, because gametes are made in meiosis, they would simply be diploid with somatic cells. The two gametes would have 92 chromosomes, as each cell has 46 chromosomes. And after each generation, the number of chromosomes would keep doubling, which would be very weird. Remember that the normal amount of chromosomes that a human being has, is 46. Maybe humans would have mutations if that happened.

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3 years ago
What format is typically followed with a hypothesis
galben [10]

Answer:

Basic Format

Explanation:

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How do human activities affect the global ocean?
nadya68 [22]

Answer:

positive affects and negative

Explanation:

Habitat Destruction. Virtually all Ocean habitats have been affected in some way via drilling or mining, dredging for aggregates for concrete and other building materials, destructive anchoring, removal of corals and land “reclamation”.

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