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Define the Food Chain and Give Two Example in Each Case - Biology

Definition

Define the food chain and give two examples.

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Solution

Food chain, in ecology, the sequence of transfers of matter and energy in the form of food from organism to organism. Food chains intertwine locally into a food web because most organisms consume more than one type of animal or plant. Plants, which convert solar energy to food by photosynthesis, are the primary food source. In a predator chain, a plant-eating animal is eaten by a flesh-eating animal. In a parasite chain, a smaller organism consumes part of a larger host and may itself be parasitized by even smaller organisms. In a saprophytic chain, microorganisms live on dead organic matter.

Concept: Energy Pyramid
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APPEARS IN

Selina Concise Biology Class 8 ICSE
Chapter 4 Ecosystems
Long Answer Questions | Q 4.3 | Page 41
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