Adult sponges a. have body walls with many pores. c. are active swimmers. b. possess true tissues. d. use stinging cells to capture prey.

The condition in which joints are inflamed is bursitis select the best answer from the choices provided ot f

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

Why are common names a problem for scientist?