Multiple Choice
Animal body structures and organ systems differentiate predictably from the various layers of the gastrula; which organ system and layer is properly matched?
A) nervous system-mesoderm
B) digestive system-endoderm
C) muscles and skeleton-ectoderm
D) reproductive organs-endoderm
Correct Answer:
Verified
Correct Answer:
Verified
Q32: Features such as a toothed jaw and
Q33: The periodic cicadas have evolved reproductive cycle
Q34: Which of the following investigations would be
Q35: Of the four animals shown in the
Q36: The swim bladder illustrates how an adapted
Q38: What feature identifies the animal shown in
Q39: Because of their abundance and the relative
Q40: The vertebrates,which include organisms such as humans,birds,and
Q41: Relative brain size (brain weight/total body weight)tends
Q42: Which group's adult body plan is properly