Multiple Choice
In the section "Investigating Life: Sniffing Out the Origin of Feathers",large nasal cavities were found in therapsids,extinct reptiles thought to be ancestors of mammals.What did the scientists conclude from this observation?
A) Endothermy arose after fur.
B) Ectothermy arose before fur.
C) Endothermy arose before fur.
D) Ectothermy arose after fur.
E) Birds did not descend from reptiles.
Correct Answer:
Verified
Correct Answer:
Verified
Q8: Ammonia is toxic and must be secreted
Q19: An endotherm lacks an internal temperature regulating
Q25: Botulism is caused by an infection with
Q26: In the section "Investigating Life: Sniffing Out
Q29: Smelling food causes a hungry person to
Q29: The enzyme that breaks down starch is<br>A)lipase.<br>B)lactase.<br>C)pepsin.<br>D)amylase.<br>E)bilE.
Q32: When a mammal hibernates,its body temperature
Q33: Bile acid sequestrants are drugs that bind
Q39: Acid reflux would occur under which of
Q86: The human large intestine is about _