Somebody please help me on this question

Biology

1 answer:

yuradex [85]3 years ago

5 0

The answer is B because the white rabbit population was disrupted and so was the grey one increased the other decreased. I hope this works for you.

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You drove through Iowa in the spring and noticed that along a stretch of several kilometers, every third fence post had a male r

goblinko [34]

Answer:

You drove through Iowa in the spring and noticed that along a stretch of several kilometers, every third fence post had a male red-winged blackbird perched on it defending its nesting territory. This is an example of <u>uniform dispersion.</u>

Explanation:

There are usually three dispersion patterns :

Clumping
Uniform dispersion
Random dispersion

Clumping is the most common.

Uniform dispersion occurs when

resources are scarce
Individuals are evenly spaced in a habitat
Due to competition or territorial behavior

While Random dispersion occurs when resources are plentiful.

Hence ,This is an example of <u>uniform dispersion.</u>

3 0

3 years ago

During which process is ethanol produced?

Kipish [7]

Answer:

Alcohol fermentation

Explanation:

When oxygen availability is low, the cell can't perform aerobic respiration to breakdown glucose. Instead, anaerobic respiration must be performed. This occurs in cells which consume large amounts of energy, such as muscle cells. Anaerobic respiration produces much less energy than aerobic respiration

One type of anaerobic respiration formed by yeast is called alcohol fermentation (also called ethanol fermentation). This begins with glycolysis, where one molecule of glucose is broke down into 2 molecules of pyruvate. The energy from this reaction generates 2 molecules of ATP, and converts NAD+ to NADH.

Then, the two molecules of pyruvate are further broke down into 2 acetaldehydes (releasing two molecules of carbon dioxide as a by-product). These two molecules of acetaldehyde are then converted into tw molecules of ethanol, using the H ions from NADH, converting it back to NAD+. See the attached picture

This process is taken advantage of to brew beer and wine.