(Question)
When your brain senses that your body temperature is increasing, it sends messages to the blood vessels in the skin to increase in diameter.  The blood vessels near the top of the skin do what when it's cool enlarge or contract?
(Answer)
contract


(Question)
Smaller sediments are dropped as the slope becomes less steep.  If Milo wants to encourage larger pieces of sediment to drop on his lawn, what should he do to the slope of his lawn increase it or decrease it?
(Answer)
increase it


(Question)
Natural selection is the process by which living things with beneficial traits produce more offspring, so their traits become more common over time.  If the number of offspring of an species is decreased, what happens to the number of traits they have in common with one another they will have more traits in common or they will have less traits in common?
(Answer)
they will have less traits in common