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Jobisdone [24]
3 years ago
8

Explain why physical appearance or morphology is not always useful for identifying organisms belonging to the same species

Biology
1 answer:
dimulka [17.4K]3 years ago
5 0
Ella no te ama

Jlkksss
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<h3><u>Answer;</u></h3>

A. Gas exchanges takes place by diffusion.

B. It is an open system.

<h3><u>Explanation</u>;</h3>
  • Most molluscs and arthropods have an open type of circulatory system.
  • Open circulatory systems pump blood into a hemocoel with the blood diffusing back to the circulatory system between cells.
  • Blood is pumped by a heart into the body cavities, where tissues are surrounded by the blood.
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What life-threatening infection can result from allowing a urinary tract infection to go untreated in an older adult?
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Hi!

Your answer is C

Which is also known as sepsis


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4 years ago
The deeper a fossil is found in sedimentary rock, the__?
SashulF [63]
I think the answer is "the older it is"

Reason: I might be wrong but is something (like a shell) gets buried in something (like sand), overtime many things (like dirt, soil, sand, etc.) will be on top of the original. This will make layers. So, the older rock is on the bottom since it has been there for the longest and it gets covered by other stuff (causing the layers).

Hope this helps! :) (If I'm wrong, sorry :( )
4 0
3 years ago
Blank layers of blank make up the cell membrane
sattari [20]

Answer:

Two layers of Lipids make up the cell membrane

Explanation:

The inner and outer phospholipid layers

3 0
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Which of the following are needed by all living things?
defon
I’m pretty sure it’s water, oxygen, and food. beacuse food provided both nutrients and an energy source.
4 0
3 years ago
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