Author Question: The ____ houses the blood vessels that join the embryo and its mother. a. umbilical cord b. ... (Read 270 times)

shofmannx20

  • Hero Member
  • *****
  • Posts: 562
The ____ houses the blood vessels that join the embryo and its mother.
 
  a. umbilical cord
  b. amnion
 c. germ disc
 d. mesoderm

Question 2

Which best describes the paternal investment theory of puberty?
 
  a. Moms have the greatest impact on the timing of early puberty, and having a highly involved mom appears to delay its onset.
  b. Moms have the greatest impact on the timing of early puberty, and having a highly involved mom appears to accelerate its onset.
  c. Dads have the greatest impact on the timing of early puberty, and having a highly involved dad appears to delay its onset.
  d. Dads have the greatest impact on the timing of early puberty, and having a highly involved dad appears to accelerate its onset.



jaymee143

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

a

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

For a complete list of videos, visit our video library