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What do the digestive and excretory systems have in common?
Both break down food.
Both produce urine.
Both get rid of waste material.
Both filter out waste material.

In what layer of the sun is energy transfers between atoms

Individuals do not compete directly for resources, but are prey for the same predator

Give two examples of what would occur if one of the pairs did not match or had an extra chromosomes. explain how this might occur, and if it would be dangerous to the individual. fast.