Multiple Choice
What caused the diversification of animals?
A) uninhabited habitats
B) unutilized food sources
C) genetic changes
D) All answers are correct.
E) few competitors
Correct Answer:

Verified
Correct Answer:
Verified
Q8: Chordates include only animals that are vertebrates.
Q13: The embryonic germ layer of tissue in
Q14: Leeches and earthworms belong to the phylum<br>A)PoriferA.<br>B)Mollusca.<br>C)Annelida.<br>D)Nematoda.<br>E)Platyhelminthes.
Q18: Advantages of bipedalism include<br>A)movement through the treetops
Q21: Which of the following is NOT a
Q23: In the section "Investigating Life: Discovering the
Q24: Which adaptations in fishes enabled vertebrates to
Q27: Which of the following is a characteristic
Q76: Cnidarians are animals found in _ environments.<br>A)land-dwelling<br>B)tree-dwelling<br>C)desert<br>D)All
Q84: An open circulatory system keeps blood in