Agenttex
contestada

According to Figure 26–1, the development of three germ layers occurred after the development of
 
    
A. deuterostome development.
B. protostome development.
C. tissues.
D. vertebrates.

According to Figure 261 the development of three germ layers occurred after the development of A deuterostome development B protostome development C tissues D v class=

Respuesta :

The answer is B, protostome development.

Answers to the U4L5 Quiz
1. C were soft-bodied and tiny, therefore, unlikely to fossilize.
2. D reproduce sexually
3. B Cambrian
4. C an internal shell
5. C protostome development