25kmxddi 25kmxddi

17-02-2021
Biology

contestada

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.

Respuesta :

nicolasreyes1026 nicolasreyes1026

17-02-2021

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.

Answer Link

jhill91010 jhill91010

24-02-2021

Answer:

a

Explanation:

Answer Link

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