The sac in which the embryo resides is called the

a. ectoderm.
b. amnion

c. germ disc.
d. placenta.

b

Psychology

You might also like to view...

Josh's parents are foreign-born, from the Northeast, older, well-educated, and have a high income

What kind of school does Josh most likely attend? A) A private, religious school B) A charter school B) A magnet school D) A private, nonreligious school

Psychology

Gwen is looking forward to getting married in May, a date that is quickly approaching. Her mother reminds her, "Don't forget what your grandmother said: Something old, something new, something borrowed, and something blue."

This saying is an example of a(n): a. survival challenge. b. historical tradition. c. population density. d. independent algorithm.

Psychology