Questions:
General Biology and Classification
1. The platypus and the spiny anteater are examples of which mammalian group?
a. marsupials
b. monotremes
c. placentals
d. hominids
2. Almost all invertebrate chordates are
a. predators
b. parasites
c. filter feeders
d. scavengers
3. Which of the following is not a characteristic chordate feature?
a. a pharynx
b. a notochord
c. a nerve cord
d. a pseudocoelom
4. Which of the following is not a subphyla of the phylum Chordata?
a. Urochordata
b. Hemichordata
c. Cephalochordata
d. Vertebrata
5. The duck-billed platypus
a. passes gametes, feces, and urine through the same duct
b. gives birth to live young
c. is found in Africa and Australia
d. is active primarily during the day
6. The placoderms
a. include the sharks and rays
b. were the earliest jawless fishes
c. became extinct during the Carboniferous period
d. gave rise to the amphibians
7. The invasion of the Great Lakes by ______ has decimated the lakes' trout populations.
a. coelocanths
b. lampreys
c. sturgeons
d. ratfishes
8. The only living lobe-finned fish is the
a. lamprey
b. hagfish
c. coelocanth
d. chiamera
9. The amphibians arose from ______ during the ______.
a. placoderms; Cambrian
b. lungfishes; Jurassic
c. lobe-finned fishes; Devonian
d. hagfishes; Silurian
10. Reptiles
a. have external fertilization
b. produce amniote eggs
c. gave rise to the amphibians
d. are the most diverse vertebrate group
11. Only birds
a. have a cloaca
b. lay amniote eggs
c. have feathers
d. have a four-chambered heart
12. Which of the following is not a mammalian lineage?
a. the monotremes
b. the synapsids
c. the marsupials
d. the therians
13. Mammals did not arise until after the extinction of the dinosaurs.
a. true
b. false
14. The most species-rich vertebrate group are the
a. mammals
b. reptiles
c. amphibians
d. fishes
15. The vertebrate jaw first appeared in
a. mammals
b. reptiles
c. amphibians
d. fishes
16. Lungs evolved as outpouchings of the :
a. swim bladder
b. stomach
c. esophagus
d. blood vessels
17. The caecilians are a small group of
a. mammals
b. reptiles
c. amphibians
d. fishes
18. The ______ can use their skin as a respiratory surface.
a. mammals
b. reptiles
c. amphibians
d. birds
19. Reptiles resemble _____ in ______.
a. fish; not being able to leave the water
b. ostracoderms; lacking jaws
c. amphibians; relying on water for reproduction
d. birds; producing amniote eggs
20. The first vertebrates with a four-chambered heart fully separated into two halves were the
a. birds
b. amphibians
c. crocodilians
d. monotremes
21. The ______ gave rise to the mammals.
a. crocodilians
b. therapsids
c. tuataras
d. anapsids