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riadik2000 [5.3K]
3 years ago
8

How do meiosis I and II contribute to genetic variation?

Biology
1 answer:
Valentin [98]3 years ago
5 0

Answer:

During prophase of meiosis I, the double-chromatid homologous pairs of chromosomes cross over with each other and often exchange chromosome segments.

Hopefully this help you

Explanation:

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Question 5
pantera1 [17]

Answer:

The solubility of a gas in a liquid occurs faster if the liquid is cooled. Hence the correct answer is option B.

Explanation:

The solubility of a gas in a liquid occurs faster than a solid. Solid solute takes much time to be dissolved in a solvent. This is because of the bonding. The bond of the solid is is much stronger when compared to the gaseous state. This is one of the reasons of gaseous dissolving faster than solid.

A gaseous state is defined as a material whose atoms are not closely attached with one another and is free to move in any direction. And when we have to mix gas in a liquid in a faster rate the liquid temperature should be lowered.

4 0
3 years ago
The prokaryotes most likely to be found living in extreme environments such as salt ponds or hot springs are _____. the prokaryo
PtichkaEL [24]

Answer:

archaeabacteria ( context clues can often give the answer :)

4 0
3 years ago
How have scientists determined the earth's core is composed of iron and nickel?
Sedaia [141]
<span>The correct option from the given options is: "Scientist have determined the composition of Earth's core by using radiometric dating to examine meteorites".
</span><span>To date materials the procedure of radiometric dating or radioactive dating is used, for example, rocks or carbon, in which trace radioactive impurities were specifically fused when they were framed. The strategy looks at the abundance of a normally happening radioactive isotope inside the material to the abundance of its decay items, which shape at a known consistent rate of decay.</span>
8 0
3 years ago
By which process are fossil fuels formed?
Lilit [14]
They are formed by natural processes like anærobic decomposition. They contain energy from ancient photosynthesis. They can literally be around 650 million years old.
7 0
3 years ago
Read 2 more answers
Use the drop-down menus to complete each statement.
ra1l [238]

Answer:

1. Bureau of Land Management

2. US Fish and Wildlife Service

3.US Forest Service

4. Bureau of Land Management

5.National Park Service

Explanation:

4 0
3 years ago
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