Q: Each megasporangium has a single functional one of what? Choices: - antispore - spicule - cocklebur - megaspore A:
megaspore

Q: The largest absorption of heat comes during the vaporization of what? Choices: - ice - carbon dioxide - magma - liquid water A:
liquid water

Q: Q: What forms when the metal sodium gives up an electron to the nonmetal chlorine? Choices: - covalent bond - van der waals force - hydrogen bond - an ionic bond A:
A: an ionic bond

Question: Q: Large increases in the diversity of life have resulted from adaptive radiations that followed what? Choices: - mass mutations - mass migrations - glaciers - mass extinctions A:
Answer: mass extinctions

*Question*
Q: What sort of digestion do animals engage in? Choices: - external - essential - poison - internal A:
**Answer**
internal

(Question)
Q: Phosphate-containing ocean sediments form primarily from the bodies of ocean organisms and from their what? Choices: - ancestors - skeletons - blood - excretions A:
(Answer)
excretions