Question

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How is anaerobic respiration affected by changes in temperature?

(5 points)

Based on the conditions of early Earth, what conclusion can you draw about the amount of anaerobic respiration that was occurring at Earth’s beginning? Explain your answer.

(5 points)

If there was a sudden drop in temperature after the evolution of the first living cells, predict how that might have affected the changes in the atmosphere and the evolution of cyanobacteria and other autotrophs. Explain your answer.

(5 points)

Answer 1

Answer:

1. When the beginning of Earth occurred, there was little to no oxygen. So, some cells had to adapt to this and the process of anaerobic respiration allowed them to do so. In the grand scheme of things, there must have been a great number of anaerobic respiration occurring given the clement.

2. That probably would have caused the

atmosphere to cool down dramatically. The

cyanbacteria could have assisted, because it puts

oxygen into the atmosphere. The other autotrophs

would be affected, because if the temperature  

dropped, the air would have cooled down.

Then, the autotrophs would not have

food from the carbon dioxide, or

other inorganic materials.

Explanation:

Answer 2

• Changes in temperature affects the rate of anaerobic respiration in prokaryotes
• There was a larger percentage of anaerobic respiration
• The drop in temperature will lead to the cooling of the atmosphere and decrease in carbon dioxide.

Anaerobic respiration is a type of respiration that occurs in the absence of oxygen, the change in temperature will either lead to the cooling or heating of the atmosphere, and the cooling of the atmosphere means more oxygen which will affect the rate of anaerobic respiration in prokaryotes.

In the early stages of the earth the earth was void and there was very little oxygen present. due to the absence of oxygen it can be concluded that organisms adapted more through anaerobic respiration.

The drop in temperature will lead to the cooling of the atmosphere and decrease in carbon dioxide which will have an effect on the evolution of autotrophs relying on carbon dioxide and other inorganic materials for food. the activities of cyanobacteria contributes oxygen to the atmosphere hence the drop in temperature

Hence the changes in temperature affects the rate of anaerobic respiration and there was a larger percentage of anaerobic respiration during early earth.

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