(Q).
Q: The number of possible isomers increases tremendously as carbon skeletons increase in what? Choices: - variation - mass - weight - size A:
(A).
size

(Q).
Q: Common among mammals and insects, pheromones are often related to what type of behavior? Choices: - aggressive - immune - cardiac - reproductive A:
(A).
reproductive

(Q).
Q: What are algae that live in colonies of hundreds of cells called? Choices: - chlorophyta - euglenids - rhodophyta - volvox A:
(A).
volvox