The system that is responsible for breaking down food and releasing essential nutrients and other substances that the body needs and requires is the digestive system.
Answer:
D. glucose.
Explanation:
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If the beavers need large teeth to collect wood for their dams, the population of beavers with larger teeth will live longer because they can collect wood. They will them be able to reproduce therefore passing down the gene with larger incisor teeth
Dry areas with fishy fossils, were once below sea level, with lots of water and swimming animals. Over many thousands or millions of years, the ground level has changed dramatically.
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