Flatworms Are Most Closely Related to the ________

Q23: All mammals live on land.

Q24: Which of the following groups are mollusks?<br>A)Gastropods<br>B)Bivalves<br>C)Cephalopods<br>D)All

Q25: What is the main difference between amphibians

Q26: Which of the following is a key

Q27: Worms all appear to be closely related

Q29: Most animals fall into one of how

Q30: Which of the following phyla is the

Q31: Which of the following best describes cnidarians?<br>A)They

Q32: All vertebrates have _.<br>A)hair and a backbone<br>B)a

Q33: How might an early primate's environment lead