Answer:
(c) Autotrophs (Chemo autotrophs and
photoautotrophs) are those organisms which are able to synthesize their own
food. e.g., plants while the organisms which derive their
food, (from autotrophs or plants) are
termed as heteroptrophs. Heterotrophs may be herbivores, carnivores and
omnivores.
Saprotrophs are the organisms
which obtain their nourishment from dead organic matter or remains of both
plant and animals. They are also known as decomposer as they play an important
role in recycling of minerals by decomposing dead organic matter.
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