This topic contains a solution. Click here to go to the answer

Author Question: The ectoderm becomes the __________. A) muscles and skeleton B) nervous system and skin C) ... (Read 54 times)

rlane42

  • Hero Member
  • *****
  • Posts: 594
The ectoderm becomes the __________.
 
  A) muscles and skeleton
  B) nervous system and skin
  C) circulatory system and other internal organs
  D) digestive system, lungs, urinary tract, and glands

Question 2

The most rapid prenatal changes take place in the period of the __________.
 
  A) zygote
  B) blastocyst
  C) embryo
  D) fetus



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

soda0602

  • Sr. Member
  • ****
  • Posts: 313
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C





 

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

For a complete list of videos, visit our video library