Multiple Choice
A flatworm moves nutrients and gases through its body using ____.
A) a digestive system only
B) a gastrovascular system only
C) simple diffusion
D) a digestive and gastrovascular system
E) a digestive and respiratory system
Correct Answer:
Verified
Correct Answer:
Verified
Q45: A major explosion of animal diversity in
Q46: The smallest adult chelicerates are _.<br>A)horseshoe crabs<br>B)mites<br>C)scorpions<br>D)spiders<br>E)ticks
Q47: Match the description to the correct mollusk
Q48: A closed circulatory system is present in
Q49: Each tapeworm proglottid contains _.<br>A)sperm only<br>B)fertilized eggs
Q51: The mollusks with the largest brain and
Q52: A gastrovascular cavity is present in _.<br>A)flatworms
Q53: A mantle is found only among the
Q54: Match the description to the correct mollusk
Q55: Most animals show _ symmetry.<br>A)bilateral<br>B)multilateral<br>C)no<br>D)radial<br>E)unilateral