Sediments deposited in layers eventually form what kind of rock.

This is so important ugh its 25 points

Food webs - transferring energy and matter from one level to another. here you see four food webs. one or more are incorrect. which food web(s) show the correct sequence of organisms, from start to top level consumer? a) a b) d c) c d) a and d

Explain why ecosystem diversity results in species diversity in a healthy biosphere