By the end of Gretas first month of pregnancy, her embryo ...

[lilldybug07]

By the end of Gretas first month of pregnancy, her embryo __________.
 
  A) can sense its world
  B) is about  inch long
  C) can suck its thumb
  D) can curl its toes

Question 2

The __________ folds over to form the __________, or primitive spinal cord.
 
  A) mesoderm; neuron tract
  B) ectoderm; neural tube
  C) endoderm; neural tube
  D) ectoderm; neuron tract

[Heffejeff]

Answer to Question 1

Answer: B

Answer to Question 2

Answer: B

[lilldybug07]

Excellent

[sultansheikh]

Thanks for the timely response, appreciate it