________ have a dorsal nerve cord.
A) Sharks
B) Bugs
C) Starfishes
D) Leeches
E) Earthworms
Correct Answer:
Verified
Q13: In all chordates, the notochord:
A)appears only in
Q14: In vertebrates, the notochord is replaced by:
A)jaws.
B)a
Q15: At some stage of the life cycle,
Q16: The great size and mobility of the
Q17: Which of the following features is absent
Q19: A tunicate is a(n):
A)bony fish.
B)cartilaginous fish.
C)jawless fish.
D)amphibian.
E)invertebrate
Q20: The earliest vertebrates lacked:
A)a notochord.
B)gills.
C)jaws.
D)brains.
E)skeletons.
Q21: Fins composed of rod-shaped bones surrounded by
Q22: Lungfishes are classified as:
A)amphibians.
B)lobe-finned fishes.
C)jawless fishes.
D)ray-finned fishes.
E)cartilaginous
Q23: Lamprey populations introduced into the Great Lakes
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents