Which of the following is true of environmental changes?

A.
They cannot be caused by human activity.

B.
They may affect several populations in an ecosystem.

C.
They affect food chains, but not food webs.

D.
They have no effect on living organisms in an ecosystem.

Question

Which of the following is true of environmental changes?	
 
 A.
They cannot be caused by human activity.
 
 B.
They may affect several populations in an ecosystem.
 
 C.
They affect food chains, but not food webs.
 
 D.
They have no effect on living organisms in an ecosystem.

anonymous · Answer

my best gusse is A

anonymous · Answer

A or B

anonymous · Answer

I think it is B. When humans destroy environments, rabbits might die, and then birds will have nothing to eat and so on. Every animal has a role in life :)

anonymous · Answer

Humans CAN cause environmental loss!

anonymous · Answer

They can destroy forests can't they?

anonymous · Answer

im only in 6 grade

anonymous · Answer

So am I. But I really love nature so I know about this stuff.

anonymous · Answer

B  for sure