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ale4655 [162]
2 years ago
7

Most living organisms need to take in oxygen to survive. What is responsible for

Biology
2 answers:
Vilka [71]2 years ago
8 0

Answer:

seaweed and phytoplankton

Explanation: I took the test Here is some proof

Katarina [22]2 years ago
3 0
Plants and seaweed provide most of the oxygen
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How many different offspring genotypes are expected in a trihybrid cross between parents heterozygous for all three traits when
aalyn [17]

Answer:

27 genotypes and 8 phenotypes

Explanation:

Supposing that the genotypes of both of the parents are AaBbDd (A, B and D are dominant over a, b and d).  After completing the Punnett square, you can predict the following offspring:

I add an image where you can see all the 27 genotypes and frequencies.

Finally, all the 8 phenotypes with the following frequencies:

27/64 A-B-D-

9/64   A-B-dd

9/64   A-bbD-

9/64   aaB-D-

3/64   A-bbdd

3/64   aaB-dd

3/64   aabbD-

<u>1/64    aabbdd </u>

Total 64/64

Note: when a phenotype is A-, it means that it came from either genotype, AA or Aa. The same applies to B- (BB or Bb) and D- (DD or Dd)

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3 years ago
In the United States, donations of tissue and organs are regulated by the federal government, and the National Organ Transplant
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P<span>atients who cannot afford to purchase bone marrow will have to wait for voluntary donors.</span>
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3 years ago
Whales have what seem like remnants of a pelvis and femur, What are these structures an example of?
Savatey [412]

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Vestigial structures.

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During the process of succession, who develops first
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During the process of succession the successor develops first

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How do continents move?
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Tectonic plates.

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