Multiple Choice
At some point in their lives,all chordates have:
A) jaws.
B) gills.
C) a brain.
D) a dorsal nerve cord.
E) a ventral nerve cord.
Correct Answer:
Verified
Correct Answer:
Verified
Q5: All chordates are vertebrates.
Q12: Extra protective behaviors toward young may have
Q13: Which of the following is a group
Q14: When we say an animal has an
Q15: The overwhelming majority of animals are:<br>A)invertebrates.<br>B)vertebrates.<br>C)unicellular.<br>D)mammals.<br>E)sessile.
Q18: Flatworms are the most primitive animal phylum
Q19: Cnidarians typically obtain food by:<br>A)filter feeding.<br>B)stinging and
Q20: Sponges acquire food by _ as water
Q21: Leeches are in the phylum:<br>A)Nematoda.<br>B)Mollusca.<br>C)Annelida.<br>D)Cnidaria.<br>E)Platyhelminthes.
Q22: Discuss why nearly all larger animals have