Multiple Choice
The evolutionary tree of the vertebrates supports which conclusion?
A) The blacktip reef shark, Carcharhinus melanopterus, evolved before any mammals existed.
B) The DNA of humans and turtles will show more similarities than any comparison involving any fish or amphibian.
C) The embryos of fish, amphibians, and reptiles would be indistinguishable from those of a human.
D) The genes responsible for milk production in mammals are the same as those responsible for yolk formation in the amniotic egg of reptiles and birds.
Correct Answer:
Verified
Correct Answer:
Verified
Q45: One of the most poisonous marine organisms
Q46: The life cycle for an insect whose
Q47: Most animals reproduce sexually; fertilization begins a
Q48: Only about 5 percent of extant mammals
Q49: Fruit flies,blow flies,and black flies share a
Q51: Except for the hagfish,lamprey,and their close relatives,all
Q52: Mammals are classified as endothermic homeotherms; if
Q53: How do biologists interpret the pattern of
Q54: Keratin is an important and widespread structural
Q55: Most animals have evolved a body cavity;