Phytoplankton, like tree leaves and pine needles, take in carbon dioxide from the air and use the carbon to make plant structure, which is the very beginning of the food chain.
(Phytoplankton; take; from the air) (Phytoplankton; use; the carbon; to make plant structure) (plant structure; is; the very beginning of the food chain)
Phytoplankton Phytoplankton plant structure
take use is
from the air
the carbon to make plant structure
the very beginning of the food chain