Which option identfies one section of the ocean food? A. intertidal zone B. open ocean C. neritic zone D. trasition zone

Is there any solid scientific evidence that humans have been cloned?

During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent