Question

discuss the salient features of food chain

Answer 1

Answer:

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Explanation:

Food chain is a sequence of organisms in a biotic community through which food passes with members of a step becoming food of the members of the next step of the sequence. In other words, it is a list of who eats whom in a biotic community. A food chain usually consists of producers, various levels of consumers and decomposers. Each step or division in food chain which is characterized by a particular method of obtaining food is called trophic level.

Answer 2

Answer:

Food chain is a sequence of eaten one organisms by another in order to get food.

Explanation:

• When one organism eat another organism and get eaten by another organism is called a Food chain.
• During the whole process the energy and nutrients flow from one trophic level to another.

Food chain has these main parts-

• The Sun=Sun provides energy thus sun is the main source of energy.
• Producers=They are the autotrophs they can prepare their own food with the help of water,CO2,sunlight and chloroplast.This is the First stage of food chain.
• Consumers= These are Heterotrophs they cannot prepare their own food they are dependend on producers for their food.Herbivore are the primary consumer that eats plants.Carnivore are the secondary consumer which eat other animals.
• Decomposer=The organisms which feed upon dead decaying matter in order to obtain energy is called as decomposer.This is the last stage of food chain.