Q: Metabolism produces waste energy in the form of heat, which helps what type of animal conserve and maintain heat at a relatively constant body temperature? Choices: - lizard - cold-blooded (ectotherm) - amphibian - warm-blooded (endotherm) A:
warm-blooded (endotherm)

Q: What is any nonmetallic, inorganic solid that is strong enough for use in structural applications called? Choices: - tissue - metallic - glass - ceramic A:
ceramic

Q: Q: Saturn is made mostly of helium and what else? Choices: - nitrogen - carbon - hydrogen - hydrogen A:
A: hydrogen

Question: Q: After the blood in the pulmonary capillaries becomes saturated with oxygen, it leaves the lungs and travels where? Choices: - to the lungs - to the kidneys - to the brain - to the heart A:
Answer: to the heart

*Question*
Q: Within an organism, the cells that give rise to the next generation are known as germ cells, while those that do not (that is, the cells that die when the organism dies) are known as what cells? Choices: - xylem - neural - cloning - somatic A:
**Answer**
somatic

(Q).
Q: How many types of surface waves are there? Choices: - over a hundred - three - six - two A:
(A).
two