Q: An increase in the body's cholesterol levels can lead to your arteries filling with what? Choices: - triglycerides - fat - marble - plaque A:
plaque

Q: Humans and other animals can suffer from diets lacking in what essential "ingredients"? Choices: - fiber - steroids - liquids - nutrients A:
nutrients

Q: What do you call a close relationship between two species that benefits both? Choices: - commensalism - primordial relationship - parasitic relationship - symbiotic relationship A:
symbiotic relationship

Q: One common form of mate choice, called assortative mating, is an individual's preference to mate with partners who are what? Choices: - close to themselves - different from themselves - far away from - similar to themselves A:
similar to themselves