« previous next »

Author Question: Answer: B A) mesoderm; nervous system, lungs, internal organs, and skin B) chorion; endocrine ... (Read 104 times)

captainjonesify

  • Hero Member
  • *****
  • Posts: 543
on: Jun 22, 2018
Answer: B
 
  A) mesoderm; nervous system, lungs, internal organs, and skin
  B) chorion; endocrine system, muscles, placenta, and skeleton
  C) ectoderm; circulatory system, skin, skeleton, and internal organs
  D) endoderm; digestive system, lungs, urinary tract, and glands

Question 2

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


morganmarie791

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

captainjonesify

  • Hero Member
  • *****
  • Posts: 543
Reply #2 on: Jun 22, 2018
Thank you!


morganmarie791

  • Sr. Member
  • ****
  • Posts: 336
Reply #3 on: Jun 22, 2018
Happy to help


« previous next »
 

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Regulation of heat exchange in the skin. Regulation of heat exchange in the skin.
Photomicro graph showing the three layers of the skin. Photomicro graph showing the three layers of the skin.
Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
The Hepatic Portal Blood Supply The liver receives water, minerals, and nutrients from the digestive The Hepatic Portal Blood Supply The liver receives water, minerals, and nutrients from the digestive
Control of lipolysis in adipose cells by a cAMP-mediated cascade system Control of lipolysis in adipose cells by a cAMP-mediated cascade system
Development of the Endocrine System Development of the Endocrine System
Video: Bone Growth and Remodeling

For a complete list of videos, visit our video library