Q: What do secondary spermatocytes form when completing meiosis? Choices: - pores - semen - sporozoans - spermatids A:
spermatids

(Question)
Q: Virtually all of the effects of pregnancy can be attributed in some way to the influence of what? Choices: - proteins - enzymes - acids - hormones A:
(Answer)
hormones

Ques: Q: What is a stellar remnant that is very dense? Choices: - asteroids - the sun - white star - white dwarf A:
Ans: white dwarf

(Q).
Q: Chemical and physical changes in a system may be accompanied by an increase or a decrease in the disorder of the system, corresponding to an increase or decrease in what? Choices: - enthalpy - vibration - volume - entropy A:
(A).
entropy

Ques:Q: What is the term for a mountain-building event? Choices: - glaciation - volcanism - erosion - orogeny A:

Ans:orogeny

Q: What occurs when there are differences in fitness among a population? Choices: - evolution - natural process - natural change - natural selection A:
natural selection