fact and question: an ecosystem contains nonliving things
Question: Where would sponges most likely be found making their home?

What's the answer?

answer: a rotting ship

fact and question: meadow voles eat plants
Question: Meadow vales are

What's the answer?

answer: hard of hearing

fact and question: green plants provide food for consumers by performing photosynthesis
Question: the earth's population could face severe depletion if which of these stopped happening?

What's the answer?

answer: the food pyramid structure

fact and question: a cavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone
Question: the presence of which of these is required for the formation of cavernous chambers?

What's the answer?

answer:
some carbonic acid