Q: What is a prerequisite for fertilization to take place in plants? Choices: - mitosis - photosynthesis - germination - pollination A:
pollination

(Question)
Q: What helps ensure that, at least, some species will survive environmental change? Choices: - reproduction - ecosystem - spontaneous mutation - biodiversity A:
(Answer)
biodiversity

Ques: Q: The units of time, day and year are based on what? Choices: - motions of the sun - gravitational waves - moon phases - motions of earth A:
Ans: motions of earth

(Q).
Q: In ovoviviparous fish like shark, what develops inside the mother's body but without nourishment from the mother? Choices: - genes - spores - molecules - eggs A:
(A).
eggs

Ques:Q: If an air mass forms over an ocean it is called what type of air mass? Choices: - cumulus - hurricane - tropical - maritime A:

Ans:maritime

Ques: Q: Most, if not all, of the extant animal phyla today evolved during the cambrian period, yet many of what devastating events have taken place since then? Choices: - life extinctions - earthquakes - starvations - mass extinctions A:
Ans:
mass extinctions