Answer:
a.Carbon dioxide enter the plant through tiny holes in a plant's leaves, flowers, branches, stems, and roots.
b.The term heterotrophic nutrition is a mode of nutrition in which organisms depend upon other organisms for food to survive.
c.Bacteria and fungi are the two types of decomposers.
d.The materials necessary for photosynthesis are :-
•carbon dioxide
•water
•sunlight.
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