Answer:
D) Glucose is needed for cellular respiration
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Populations are influenced by fluctuations in any of the abiotic cycles. The fluctuations of seasonal cycles can cause populations to hibernate, migrate, or breed. Organisms breed as a result of seasonal fluctucations that cause them to have a limited resource supply. Fluctuations in the phosphorus cycle can cause <span>changes to aquatic ecosystems, either positive or negative.</span>
Answer:
They get the enrdy from the sulight and
Explanation:
Nucleus. The answer is this because:
The nucleus is the central and most important part of a cell and so it directs the cell activities.
The adult heart pumps about five quarts of blood each minute so around 2,000 gallons<span> of blood each day.A typical athlete's heart churns out up to </span>eight gallons<span> of blood per minute.</span>