Q: Class bivalvia ("two shells") includes clams, oysters, mussels, scallops, and these? A:

OPTIONS:
- grendels
- crabs
- octopuss
- geoducks

Answer: geoducks

Q: What type of craniates have backbones? A:

OPTIONS:
- juveniles
- invertebrates
- larva
- vertebrates

Answer: vertebrates

Q: The autonomic nervous system serves as the relay between what and the internal organs? A:

OPTIONS:
- hormones
- somatic system
- peripheral nervous system
- central nervous system

Answer: central nervous system

Q: Air conditioning systems can incubate certain bacteria and what else? A:

OPTIONS:
- Cancer
- wood
- root
- mold

Answer:
mold