This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: List and define the three periods of prenatal development. What will be an ideal ... (Read 75 times)

fox

  • Hero Member
  • *****
  • Posts: 540
on: Sep 11, 2018
List and define the three periods of prenatal development.
 
  What will be an ideal response?

Question 2

Describe two environmental dangers and their impact on development.
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

joneynes

  • Sr. Member
  • ****
  • Posts: 376
Reply #1 on: Sep 11, 2018
Answer to Question 1

ANSWER: Zygote begins when the sperm and ovum unite and lasts about two weeks, embryo
begins when zygote implants in uterine wall and lasts until about eight weeks, fetus begins about nine weeks and ends at birth.

Answer to Question 2

ANSWER: Answers will vary but should include two of the following: There are many dangers in
the environment that can harm children. Substance abuse before or after birth can be harmful to mother and child. Methamphetamine and AIDS are particularly widespread and dangerous for children. Other dangers include unsafe drinking water, inadequate sanitation, air pollution, inadequate food sanitation, poor housing and inadequate waste disposal.


fox

  • Member
  • Posts: 540
Reply 2 on: Sep 11, 2018
YES! Correct, THANKS for helping me on my review

apple

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

The development of ancestral tetrapods. The development of ancestral tetrapods.
The Number of Children Americans Think Are Ideal The Number of Children Americans Think Are Ideal
Selected biological, psychological, and sociological factors in the development of personality ... Selected biological, psychological, and sociological factors in the development of personality ...
Paleogene and Neogene Periods Paleogene and Neogene Periods
B Cells: Development of Self-Recognition and Self-Tolerance B Cells: Development of Self-Recognition and Self-Tolerance
Proportional Changes During Skull Development: Human vs. Chimpanzee Proportional Changes During Skull Development: Human vs. Chimpanzee
Video: Medullary osmotic gradient - influencing factors

For a complete list of videos, visit our video library