Duc Carbon, nitrogen, and phosphorus are examples of
nutrients
that organisms need to stay alive. Nitrogen can be the
Choose.
in an ecosystem when its available forms are in short supply
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biogeochemical cycle
unnecessary element
nutrient reservoir
limiting nutrient
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Explain how scientists use geologic time to determine the age of landforms.

In which layer do organisms on earth love?

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.