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G6 Ch4 L1.2 Interactions in the Ecosystem
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Different species eat different foods and hunt at different times. How does this help the populations of an ecosystem survive?
Wow, you really know your stuff! / Sorry, we were looking for...
What is a niche? Provide two examples.
An organism's specific role in the community.
What is competition in an ecosystem?
The attempt by organisms to obtain a resource that is available in a limited supply.
Mutualism often takes place in our oceans. Discuss two ways in which it happens.
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Explain how the nitrogen cycle is an example of mutualism.
It benefits both participants.
What is a commensalistic relationship? Support your answer with an example.
When one organism benefits without harming the other.
How can parasites affect humans?
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Do all parasites kill their hosts? Give an example of a parasite and explain its relationship with its host.
No.
What happens in a parasitic relationship? How are wasps parasitic?
An organism of one species benefits at the expense of an organism of another species.
Briefly explain the three types of interactions that can take place in an ecosystem.
Mutualism, commensalism, parasitism.
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