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Question

A sequence of species through which the organic molecules in a community pass is called


A

Food chain

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B

Food web

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C

Food cycle

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D

Nutrient cycle

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Solution

The correct option is A

Food chain


The correct option is A.

Explanation of the correct option :

  1. Food chain is the sequential arrangement of producer and consumer of a particular ecosystem according to prey predator relationship where eating being eaten takes place.
  2. Food chains demonstrate the fate of individual organisms in an ecosystem.

Explanation of the incorrect option:

Option B:

In a particular ecosystem, number of food chains overlap and interconnect to form an interlocking, interlinking and interdependent pattern of network called food web.

Option C:

In ecology instead of food cycle food chain is the more accurate term to define sequential arrangement of producer and consumers.

Option D:

A nutrient cycle is a repeated pathway by which a particular nutrient or element pass from the environment to one or more organisms and again back to the environment. Example: carbon cycle, oxygen cycle, nitrogen cycle etc.

Final answer: A sequence of species through which the organic molecules in a community pass is called: food chain.


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