Question

E. Answer the following question.
1. Distinguish between---
(a) autotrophs and hetrotrophs
(b) decomposers and scavengers

Answer 1

Explanation:

Autotroph vs. Heterotroph

Autotrophs are organisms that can produce their own food from the substances available in their surroundings using light (photosynthesis) or chemical energy (chemosynthesis). Heterotrophscannot synthesize their own food and rely on other organisms — both plants and animals — for nutrition. Technically, the definition is that autotrophs obtain carbon from inorganic sources like carbon dioxide (CO2) while heterotrophs get their reduced carbon from other organisms. Autotrophs are usually plants; they are also called "self feeders" or "primary producers".

B) Scavenger and decomposer are two types of organisms that are responsible for the recycling of organic matter. The main difference between scavenger and decomposer is that scavenger consumes dead plants, animals or carrion to break down the organic materials into small particles whereas decomposer consumes the small particles produced by the scavengers. Scavengers can be animals such as birds, crabs, insects, and worms. They can be also called as detritivores. Decomposers are manly fungi. Earthworms and bacteria are also decomposers. The biological term for decomposers is saprotrophs. Both these types of organisms recycle nutrients in the ecosystems.

Answer 2

Answer:

autotrophs are which prepare their own food by light and chemical energy

hetrotrophs cannot systhesis their own food rely on other organisms

decomposers mainly micro-organisms rely on dead organisms as well as feces

scavengers are mainly that animals consum dead plants animals and carrion

Explanation:

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