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Dvinal [7]
3 years ago
5

Compare physical feature of freshwater and marine cetaceans. Speculate how those physical differences might provide advantages t

o survival in freshwater versus marine environments.
Biology
1 answer:
rusak2 [61]3 years ago
3 0

<span>Marine mammals can be classified as animal that lives partially or wholly on coastal waters or oceans from survival while fish can be classified as a cold blooded gill bearing, egg producing species. However, whales survive by the development of echolacation, modified lungs, thick layers of blubber and lager arteries  among other things to ensure their prosperity and survival.</span>

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_________is severe pain and constriction about the heart, usually radiating to the left shoulder and down the left arm and creat
White raven [17]

Answer:

Heart attack

Explanation:

Heart attack is the death of a part of heart muscles and severe pain that causes heart constriction having pain in the chest which spread to the left shoulder and down the arm thereby causing the feeling of pressure in the chest.

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The symptom of heart attack are;

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7 0
4 years ago
How many elements are in this formula? How many molecules?
Mariana [72]
I only know this so far-

4 elements
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Hydrogen (H)
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8 0
3 years ago
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Which of the following is NOT a correct description of cnidarian nervous tissues?
AleksAgata [21]

Answer:

Three tissue layers I think

3 0
3 years ago
n corn long ears (L) is dominant to short ears (l); glossy kernels (G) is dominant to opaque kernels (g) and high starch (S) is
seraphim [82]

The question is incomplete. I have attached the complete question  

Answer:

Ears and starch are linked, glossy isn't linked to either

Explanation:

The deviation from expected frequencies indicates that ears and starch genes are linked  

7 0
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Marina CMI [18]

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Water enters the xylem through osmosis

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