I would love the help pls...

Place the steps tor the formation of the enzyme pepsinogen in correct order

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

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above