题目内容
(请给出正确答案)
[单选题]
A group of organisms living together on a rocky beach is an example of a(an)
A.Population.
B.Community.
C.Individual
D.Ecosystem
提问人:网友fxjfxj
发布时间:2022-01-07
A.Population.
B.Community.
C.Individual
D.Ecosystem
A、It’s none of your business.
B、What are you doing?
C、Sure. Sorry to disturb you.
D、No, I don’t think so.
A、Where coral reefs are common
B、Where equatorial upwelling takes place.
C、Where coastal upwelling takes place.
D、Around Antarctica and in the Arctic.
A、Oil pollution from tanker discharge.
B、Eutrophication due to algae blooms.
C、Thermal pollution from power plants
D、Pesticides from agriculture
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