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Alina [70]
3 years ago
15

Cells become increasingly more ______ in supplying nutrients and getting rid of waste as the grow.

Biology
2 answers:
GuDViN [60]3 years ago
7 0

Answer:

the answer is efficient

Murrr4er [49]3 years ago
7 0
The answer is efficient.
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A scientist finds a fossil that she thinks might make a good index fossil.
Mekhanik [1.2K]

Answer:

An index fossil is also known as guide fossils or indicator fossil. They are fossils used to determine and identify geologic periods.

The main characteristics of an index fossil include :

1.It must be distinctive.

2.It must be widespread.

3. It must be abundant

4. It must be limited in geologic time.

Due to trends and studies of most fossil-bearing rocks being formed in the ocean, the major index fossils are mostly marine animal or plant organisms.

6 0
2 years ago
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If a swimmer cuts his foot on a seashell while wading in the ocean and bleeds into the seawater, his erythrocytes will shrink. W
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Answer:A) The ocean is hypertonic to the erythrocytes.

Explanation:cells shrink when placed in an hypertonic solution.

This shrinkage occurs does to the movement of water out of the cell and through the cell membrane.this phenomenon is called plasmolysis.

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In this case,sea water has a higher concentration of solute (hypertonic) and the blood cells has a lower concentration(hypotonic) .the cell membrane serves as the semi-permeable membrane and and a result water moves out of the cell

8 0
3 years ago
Name the covalent compound for CCl4
Whitepunk [10]
The covalent compound for cci4 is carbon tetrachloride
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What happens to the genes when two chromosomes "embrace" ?
Softa [21]

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Genes get exchanges through the parent genes

hope this help :)

5 0
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How do tides affect the organisms living in intertidal zones?
Kisachek [45]
I believe the answer is C.
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