EVERYDAY SCIENCE

SCIENCE

ECOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
An organism that breaks down the bodies of dead plants and animals. They recycle nutrients through the ecosystem.
A
decomposer
B
autotroph
C
producer
D
primary consumer
Explanation: 

Detailed explanation-1: -Decomposers play a critical role in the flow of energy through an ecosystem. They break apart dead organisms into simpler inorganic materials, making nutrients available to primary producers.

Detailed explanation-2: -The living organisms that break down the dead bodies of plants and animals into simple compounds are known as decomposers.

Detailed explanation-3: -When plants and animals die, they become food for decomposers like bacteria, fungi and earthworms. Decomposers or saprotrophs recycle dead plants and animals into chemical nutrients like carbon and nitrogen that are released back into the soil, air and water.

Detailed explanation-4: -Fungi decompose organic matter by releasing enzymes to break down the decaying material, after which they absorb the nutrients in the decaying material. Hyphae are used to break down matter and absorb nutrients and are also used in reproduction.

Detailed explanation-5: -Decomposers are also called saptrotrophs. They show saprotrophic mode of nutrition i.e. they feed on dead and decaying matters. For example, bacteria, fungi, etc. Autotrophs are producers which include plants. Phagotrophs or heterotrophs are consumers who depend on plants and animals for their nutrition.

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