Q: What are the nonliving aspects of the environment called? Choices: - metastatic factors - nucleic factors - antibiotic factors - abiotic factors A:
abiotic factors

(Question)
Q: What takes over the synthesis and secretion of progesterone throughout pregnancy as the corpus luteum degenerates? Choices: - vagina - uterus - ovaries - placenta A:
(Answer)
placenta

Ques: Q: What does the armor including spines in some species offer? Choices: - nutrition - protection from cold - energy - protection from predators A:
Ans: protection from predators

(Q).
Q: Animals that do not have internal control of their body temperature are called what? Choices: - athermal - photophores - cold-blooded - ectotherms A:
(A).
ectotherms

Ques:Q: What is the name of the smaller molecules that make up proteins? Choices: - fundamental acids - DNA acids - rna acids - amino acids A:

Ans:amino acids

Ques: Q: Solids can be divided into amorphous solids and which other group? Choices: - morphous solids - distinct solids - acrystalline solids - crystalline solids A:
Ans:
crystalline solids