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Ymorist [56]
2 years ago
14

Which of the following are true about the Cambrian explosion?

Biology
1 answer:
Aleks04 [339]2 years ago
5 0

Answer:

b I think but I am not sure but have a good day

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Cellular respiration is balanced by photosynthesis; the two processes work
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Answer:

A is the answer

Explanation:

Carbon dioxide and water are the reactants of both processes

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3 years ago
What structural component gives arteries the ability to passively adapt to changes in blood pressures that accompany the heartbe
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Answer: elastic fibers

Explanation:

Elastic fibres are the essential durable component present in mammalian connective tissueand functions to provide proper pulmonary,  cardiovascular and intestinal system structure and function. Their structural function is to provide elastic recoil and resilience for the tissues.

Elastin fibers ahve two main including microfibrils and elastin containing fibrillin play a mechanical and structural role in the arteries, and their important function is to provide the tissues with resilience and elasticity.

Hence, elastic fibers helps arteries to adapt to changes in blood pressures that accompany the heartbeat.

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What sample is taken from a pregnant person to perform a maternal serum screening test?
adoni [48]

Answer:

A blood sample is taken. I hope this helps! :)

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Which of the following is a correct statement about the events of the cell cycle?
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A DNA replication during S phase 

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Part of a mouse's tail is cut off as the mouse escapes from a cat. The mouse later reproduces.
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the injury happened at some point during its life and is not a genetic defect

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