QUIZ - BIOLOGY ONE
Structure and function of the Higher Invertebrates

1. How do mollusks exchange gasses?
Gills, body surface and lungs
Gills, body surface and their mantle cavity
body surface only
gills only

2. Which means of fertilization do octopi and squid use?
external fertilization
internal fertilization
hermaphroditic fertilization
none of the above

3. The bristles on an earthworm aid in:
movement
digestion
respiration
excretion

4. What body symmetry do adult echinoderms have?
bilateral
radial
hexatamerous
did Mugan make that last one up?

5. Why must arthropods molt?
to make the exoskeleton harder
to excrete nitrogenous waste
so they can grow in size
for metamorphosis

6. Which chelicerates have four pairs of walking legs attached to their cephalothorax?
arachnids
crustaceans
uniramians
insects

7. Animals that have both male and female reproductive organs are described as?
diecious
cephalization
hermaphroditic
natural selection

8. Which phylum contains the most species of animals?
annelids
mollusks
arthropods
echinoderms

9. I discover a fossil that shows the remains of an organism that had wings and legs with joints. The fossilized animal belongs in this phylum:
annelids
mollusks
arthropods
echinoderms

10. A Marine Biologist finds a critter at the bottom of the sea. It was buried in the sand and has a hard outercovering. The animal is bilaterally symetrical. Upon returning to the surface, she finds that the organism has two shells connected by one hindge. What kind of animal is it?
annelids
mollusks
arthropods
echinoderms

Score =
Correct answers: