Which Arthropod Subgroup Includes Those with an Exoskeleton of Chitin

Q1: Which body form of the cnidarians is

Q13: What is the function of a fish's

Q16: Flatworms are most closely related to the

Q33: How might an early primate's environment lead

Q50: Which phylum of worms includes the leeches?<br>A)Flatworms<br>B)Annelids<br>C)Roundworms<br>D)None

Q51: What do the nonanthropoid primates have in

Q53: Which is most closely related to the

Q55: Gastropods include the _.<br>A)clams and oysters<br>B)snails and

Q58: Which group of animals is most closely

Q61: Which group of fishes gave rise to