All Mammals ________

Q6: Birds are a type of reptile.

Q13: Which of the following best describes mollusks?<br>A)They

Q21: Which of the following best describes sponges?<br>A)They

Q25: What is the main difference between amphibians

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

Q51: The first animals evolved from _.<br>A) colonies

Q52: How do bony fish regulate buoyancy?<br>A) With

Q60: The echinoderms are most closely related to

Q66: Although exceptions do exist, which is a

Q68: In terms of food collection, what is