The digestive system takes in nutrients and breaks down these nutrients for energy. The solid waste products that are generated during digestion are removed from the human body by the A.
respiratory system.
B.
circulatory system.
C.
endocrine system.
D.
excretory system.

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Which best compares habitat and niche? o niche is a place in which organisms live, and habitat is the way in which an organism fits into its habitat. o habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat. habitat is a group of organisms that live in an area, and niche is a specific species that lives in that areao niche is a group of organisms that live in an area, and habitat is a specific species that lives in that area.

Match the description of each organism to the appropriate category

How does the carbon cycle involve an exchange of carbon