3 years ago

A fish feeds on algae in a pond. As a result, there is an energy transfer between trophic levels in the ecosystem.

Biology

1 answer:

seropon [69]3 years ago

6 0

Answer: D. cellular respiration

Explanation:

Cellular respiration is a process which involves the break down of glucose molecules into water and carbon dioxide present in the food so as to release energy in the body in the form of ATP and also releases wastes.

The fish being a consumer in the food chain will eat algae as a food source. The cellular respiration process in fish will break down the glucose molecules in the algal food and will provide energy to the fish.

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Which product does the Krebs cycle require from the electron transport chain

emmasim [6.3K]

NAD +molecule

Explanation:

Krebs cycle and electron transport chain are important steps in cellular respiration.

In the Krebs cycle, there is a need of NAD+ molecule which is then in Krebs cycle reduced to form a NADH2 molecule.

NADH2 is also an energy currency. It , giving electron in electron transport chain and return to Krebs cycle as NAD+.

Now in the Krebs cycle, it is ready to take electrons again.

7 0

3 years ago

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