Ecosystems

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7 Terms

1
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What is an ecosystem?

An ecosystem is all the biotic (living) parts and the abiotic (non-living) parts of an area.

2
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What are the 3 classes in an ecosystem?

Producer - Uses sunlight energy to produce food (Grass)

Consumer - Gets energy by eating other organisms like producers or other consumers (Rabbit).

Decomposer - Gets energy by breaking down dead material (Fungi).

3
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What are the stages of a food chain?

Producer → Primary Consumer → Secondary Consumer → Apex Predator → Decomposer

Each stage is a different trophic level.

4
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What is a food web?

Similar to a food chain, it overlaps different chains to form a web.

<p>Similar to a food chain, it overlaps different chains to form a web.</p>
5
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What is the nutrient cycle?

This shows how nutrients move through an ecosystem, and how they enter and exit the cycle.

<p>This shows how nutrients move through an ecosystem, and how they enter and exit the cycle.</p>
6
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What is Epping Forest?

Located on the outskirts of London

Temperate deciduous forest - Small scale ecosystem

Around 2,500 hectares

Currently maintained to preserve biodiversity due to its complex food web

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What factors affect the location of biomes/global ecosystem?

Climates

Altitude

Rainfall

Ocean