Astudent made a model of a closed ecosystem in a bottle like the one shown. then the student hypothesized that the water cycle will take place in the model ecosystem.

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