16. The study of animals is called __________.
a) Entomology
b) Zoology
c) Herpetology
d) Ornithology
17. Which of the following is not a characteristic of sponges (Porifera)?
a) They are filter feeders
b) They have a cellular level of organization
c) They have specialized sensory organs
d) They can reproduce asexually
18. The phylum Echinodermata includes animals such as ___________.
a) Starfish
b) Jellyfish
c) Flatworms
d) Insects
19. Which of the following phyla includes animals with a notochord and a dorsal hollow nerve cord?
a) Arthropoda
b) Chordata
c) Mollusca
d) Platyhelminthes
20. Which of the following is an example of a chordate animal that is not a vertebrate?
a) Fish
b) Bird
c) Frog
d) Lancelet