Q: In the freshwater flatworms, protonephridia serve chiefly in what? Choices: - enculturation - excretion - thermoregulation - osmoregulation A:
osmoregulation

Q: If a fixed amount of gas maintains a perfectly inversely proportional relationship between volume and pressure, then what else must be constant about the gas? Choices: - density - friction - surface tension - temperature A:
temperature

Q: Q: What anatomical system is made up of neurons and glia? Choices: - reproductive system - lymphatic system - digestive system - nervous system A:
A: nervous system

Question: Q: Slime molds are fungus-like protists that grow as slimy masses on what? Choices: - recycled matter - food matter - dark matter - decaying matter A:
Answer: decaying matter

*Question*
Q: Arteries carry oxygenated blood away from the heart, what carries un-oxygenated blood back to the heart? Choices: - glands - intestines - lungs - veins A:
**Answer**
veins

Q: Q: Sight, hearing, balance, taste, smell, and touch are types of what? Choices: - sensation types - memories - temperaments - senses A:
A: senses