Ecology Concepts: Community, Ecosystem, Niche
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Ecology Concepts: Community, Ecosystem, Niche

Created by
@LionheartedPorcupine

Questions and Answers

Why do the number of organisms decrease at successive trophic levels in a food chain?

As energy is lost as heat during metabolic processes

Which organism from Table 2 is likely to be a predator in the woodland community food web?

Mongoose

What is the importance of predator/prey relationships within ecosystems?

To maintain the balance of species in an ecosystem

If a disease affects the blackbird population causing most members to die, what would be a likely consequence?

<p>Decrease in the grass snake population</p> Signup and view all the answers

Which organism shares a special relationship with a leguminous plant?

<p>Caterpillar</p> Signup and view all the answers

Identify one organism likely to be prey in the woodland community food web.

<p>Earthworm</p> Signup and view all the answers

What is the primary reason for the decrease in organisms at higher trophic levels?

<p>Energy loss during metabolic processes</p> Signup and view all the answers

Why do organisms at higher trophic levels require more energy?

<p>To support larger body sizes and more complex activities</p> Signup and view all the answers

What happens to energy as it moves up successive trophic levels?

<p>It decreases as heat during metabolic processes</p> Signup and view all the answers

Which organism benefits from a relationship with leguminous plants?

<p>Caterpillar</p> Signup and view all the answers

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