Author Question: The ectoderm develops into ____. a. muscle and skeleton b. nerve tissue and skin c. endocrine ... (Read 165 times)

rachel9

  • Sr. Member
  • ****
  • Posts: 495
The ectoderm develops into ____.
 
  a. muscle and skeleton
  b. nerve tissue and skin
  c. endocrine and respiratory organs
  d. reproductive and excretory organs

Question 2

During prenatal development the ______ begins to differentiate into the cells of the ectoderm, mesoderm, and endoderm?
 
  a. placenta
  b. fetus
  c. zygote
  d. embryo



brittrenee

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

ANSWER:
b

Answer to Question 2

ANSWER:
c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

For a complete list of videos, visit our video library