Ecosystem

which one of the images is an ecosystem?

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Biotic factors in an ecosystem are ...

• non - living things

• living things

• only the animals

How many levels of organization does an ecosystem have?

• 10

• 5

• 7

Rocks in a pond are

• abiotic factors

• biotic factors

• living things

Choose the image that corresponds to population

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Which one is an organism / individual

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• 
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This image is a...

• Community

• Biosphere

• Population

This image is a..

• Food habitat

• Food chain

• Food web

In this food chain the producer is..

• The snake

• The grass

• The grasshopper

In this food chain the secondary consumer is...

• The shark

• The fish

• The seal