The great size and mobility of the vertebrates are likely the result of
A) lungs used for respiration.
B) increased brain size and complexity.
C) uterine development of offspring.
D) four-chambered hearts.
E) lightweight endoskeletons.
Correct Answer:
Verified
Q4: Which of the following has a ventral
Q5: A tunicate is a(n)
A) amphibian.
B) invertebrate chordate.
C)
Q6: The earliest vertebrates lacked
A) gills.
B) jaws.
C) skeletons.
D)
Q7: _have a dorsal nerve cord.
A) Starfishes
B) Bugs
C)
Q8: All chordates have
A) a backbone.
B) gills.
C) a
Q10: Which of the following best describes which
Q11: Which characteristic differentiates hagfishes from other craniates?
A)
Q12: The notochord
A) forms the nerve cord in
Q13: Lancelets live in
A) sulfur springs.
B) the sea.
C)
Q14: At some stage of the life cycle,
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