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horrorfan [7]
2 years ago
7

Unit Test

Biology
1 answer:
Lilit [14]2 years ago
7 0
A. They receive energy from the wind
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How are human activities disturbing carbon dioxide levels and affecting marine life ?
alekssr [168]

Answer: Acidification of the ocean

Explanation:

Human activities are increasing the amount of carbon dioxide in the environment. The harmful gases released from the automobiles and factories release huge amount of carbon dioxide into the atmosphere.

The carbon dioxide from the environment gets diffused into the ocean and leads to increase in the level of carbon in water.

Ocean acidification has destroyed the shells of aquatic animals and also leads to coral bleaching.

7 0
3 years ago
A cell has 2n=8 chromosomes...how many chromosomes will this cell have in anaphase1,anaphase2,metaphase2?(meiosis)
iren [92.7K]
The answer is 8 (anaphase 1), 8 (anaphase 2), 4 (metaphase 2).

Meiosis is a cell division which results in a reduction of the number of chromosomes in half and it consists of meiosis I and meiosis II.
Before meiosis I begins, the cell is diploid (2n) and there are 8 chromosomes. In anaphase I<span>, the sister chromatids separate from each other to the opposite sides of the cells, and after that, there are 8 chromosomes and 16 chromatids. After telophase I, there are, however, <u>4 chromosomes that enter meiosis II</u>.
</span>
Meiosis II is similar to mitosis. So, in metaphase II there is the same number of chromosomes - 4 chromosomes. But, the chromosome number must double so in anaphase II there will be in total 8 chromosomes - 4 chromosomes at the one side of the cell and the 4 on the other side. After telophase II, there are 4 chromosomes.

8 0
3 years ago
Which actions could be categorized in the “both” section of the Venn diagram?
Angelina_Jolie [31]

Answer:

Starts with Glycolysis

Produces ATP

Explanation:

I just took it

5 0
2 years ago
Following meiosis the resulting gametes have ______ chromosomes
Sedaia [141]
Twenty three chromosomes
6 0
3 years ago
Which is NOT an example of a renewable energy source?
kati45 [8]

Answer:

coal

Explanation:

wind and water never end so they're renewable and the sun like ofc also never ends

but you can run out of coal

3 0
2 years ago
Read 2 more answers
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