Q: Which body part helps roundworm prevent their body from expanding? Choices: - scales - plate - skin - tough cuticle covering A:
tough cuticle covering

Q: Evolution that occurs over a short period of time is known as what? Choices: - short term evolution - pseudoevolution - relatedness - microevolution A:
microevolution

Q: What is a long, tube-shaped bundle of neurons, protected by the vertebrae? Choices: - a ganglion - an axon - a dendrite - the spinal cord A:
the spinal cord

Q: What two types of hormones regulate mammalian reproduction? Choices: - tropic and subtropic - pheromones and enzymes - endorphins and adrenaline - tropic and sex A:
tropic and sex