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Which statement about environmental changes is true? A-They may affect several populations in an ecosystem. B-They have no effect on living organisms in an ecosystem. C-They cannot be caused by human activity.
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Which statement about environmental changes is true?

A-They may affect several populations in an ecosystem.


B-They have no effect on living organisms in an ecosystem.


C-They cannot be caused by human activity.


D-They affect food chains, but not food webs.

User Meanne
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4.6k points

2 Answers

8 votes

Answer:

a

Step-by-step explanation:

User Sategroup
by
5.4k points
14 votes

Answer: A

Explanation: They may affect several populations in an ecosystem. If one group of species is either removed or added to a ecosystem, it can cause disrupction among the current living species, their food system and actual lifestyle.

User Tackleberry
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5.2k points
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