Multiple Choice
The first system to develop in the vertebrate embryo is the
A) circulatory system.
B) digestive system.
C) excretory system.
D) reproductive system.
E) nervous system.
Correct Answer:

Verified
Correct Answer:
Verified
Q46: Figure 51-4 <br><img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8678/.jpg" alt="Figure 51-4
Q47: Match the stage of embryonic development with
Q48: The notochord induces the neural plate.
Q49: Figure 51-1 <br><img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8678/.jpg" alt="Figure 51-1
Q50: Match the extraembryonic membrane with its function
Q52: Which organism exhibits radial cleavage?<br>A) Echinoderms<br>B) Amphibians<br>C)
Q53: Before a sperm can participate in fertilization,
Q54: Match the extraembryonic membrane with its function
Q55: Which of the following arises from the
Q56: Monozygotic twins<br>A) occur when two eggs are