Food Chains & Webs

10 terms by pavlifam

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autotroph

Organism that makes its own food; producer.

heterotroph

Organisms that get their energy by eating other organisms.

primary consumer

Animals that eat producers; for example, a rabbit eats grass.

tertiary consumer

Animals that eat secondary consumers; for example, an owl eats the rabbit.

quaternary consumer

Animals that eat tertiary consumers; for example, a hawk eats the owl.

top predator

Animals that have little or no natural enemies, thus preying on others but seldom being preyed upon.

food chain

A simple arrangement in which organisms obtain food energy as each one consumes a lower member and in turn is preyed upon by a higher member.

food web

A complex network of many interconnected food chains and feeding interactions

secondary consumers

Animals that eat primary consumers; for example, a snake eats the rabbit.

trophic level

A group of organisms that occupy the same level in a food chain.

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