Multiple Choice
How do bony fish regulate buoyancy?
A) With an air-filled swim bladder
B) With a large, oil-filled liver
C) By constantly swimming at an upwards angle
D) Through the calcium in the bones, which makes the skeleton lighter than the water
Correct Answer:
Verified
Correct Answer:
Verified
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
Q56: All mammals _.<br>A) give birth to live
Q60: The echinoderms are most closely related to
Q66: Although exceptions do exist, which is a
Q68: In terms of food collection, what is