Q: What are the key cells of an immune response? Choices: - keratinocytes - erythrocytes - histiocytes - lymphocytes A:
lymphocytes

(Question)
Q: What brain structure is important in recognizing and recalling emotions? Choices: - pituitary - cerebral cortex - thalmus - amygdala A:
(Answer)
amygdala

Ques: Q: What evolutionary process does not favor altruistic behavior that causes the death of the altruist? Choices: - flow selection - characteristic selection - random selection - natural selection A:
Ans: natural selection

(Q).
Q: What type of feeders are sea lilies and feather stars? Choices: - deposit feeder - bottom feeder - silt feeders - suspension feeders A:
(A).
suspension feeders

Ques:Q: Cirrus, stratus, and cumulus are the main types of what? Choices: - weather - storms - climate - clouds A:

Ans:clouds

Q: The once compressed universe expanded rapidly after what nicknamed event billions of years ago? Choices: - big explosion - good bang - big bust - big bang A:
big bang