Biology for IGCSE & O level - Organisms And Their Environment (Section 1 - No. 42)
What is a 'food chain' in the context of an ecosystem?
A network of interconnected food webs.
A series of organisms, each eating the one before it.
A group of organisms that compete for the same resources.
A process of energy transfer that never ends.
Explanation
A food chain is a linear sequence showing the flow of energy as organisms consume each other.
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