Solely from its name, you should know that rhizopus nigricans must be

An enzyme lowers the energy of activation. what does that mean?

Acommon kind of mechanical weathering is called

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