Q: What is the term for the hard covering that protects insects, crustaceans, and spiders? A:
OPTIONS:
- endoplate
- endoskeleton
- exoplate
- exoskeleton

Answer: exoskeleton

Question: Q: The marsupial embryo is nourished inside the uterus with food from a yolk sac instead of through a what? A:
OPTIONS:
- stomach
- ovum
- umbilical cord
- placenta
Answer: placenta

input with options: Q: Oscillations in the transcription of certain genes are at the heart of the molecular mechanisms underlying what biological rhythms? A:
OPTIONS:
- metastasis rhythms
- brain rhythms
- reproductive rhythms
- circadian rhythms
output: circadian rhythms

Q: Q: Every object is attracted to every other object by what force? A:

OPTIONS:
- weight
- magnetism
- pheromones
- gravity

A: gravity

input: OPTIONS:
- energy
- bacteria
- sound
- particle Now, answer this question: Q: Einstein developed a theory about how electromagnetic radiation can behave as both a wave and what else? A:
A:
output: particle

Question: Q: What are all tissues external to the vascular cambium called? A:
OPTIONS:
- nucleus
- membranes
- larvae
- bark
Answer:
bark