Multiple Choice
Cephalochordates
A) are small fish-like,freshwater animals.
B) have a notochord only in their immature stage.
C) digest food in a hepatic cecum or liver diverticulum.
D) have a ventral nerve cord.
E) have a heart that circulates blood cells with hemoglobin in a closed system.
Correct Answer:
Verified
Correct Answer:
Verified
Q41: Larval and adult tunicates look virtually nothing
Q42: One overriding advantage of the endoskeleton of
Q43: The lancelets or Branchiostoma are found<br>A)very rarely
Q44: The early vertebrate fossils belong to an
Q45: The urochordates are enclosed in a nonliving
Q47: The characteristics of the chordates and the
Q48: Outline the five chordate features.What is the
Q49: What feature(s)can be found in the ammocoete
Q50: Usually we think of evolution acting on
Q51: Organisms that retain the larval form of