« previous next »

Author Question: The ____ houses the blood vessels that join the embryo and its mother. a. umbilical cord b. ... (Read 212 times)

shofmannx20

  • Hero Member
  • *****
  • Posts: 562
on: Jun 22, 2018
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
Reply #1 on: Jun 22, 2018
Answer to Question 1

a

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Erythrocytes (red blood cells) moving through a capillary in single file. Erythrocytes (red blood cells) moving through a capillary in single file.
Insulin, glucagon, and blood glucose Insulin, glucagon, and blood glucose
How many potential risks to the health of the embryo and fetus might a mother encounter in an urban ... How many potential risks to the health of the embryo and fetus might a mother encounter in an urban ...
Hematopoiesis: Blood cells are formed from stem cells under the influence of hormones such as ... Hematopoiesis: Blood cells are formed from stem cells under the influence of hormones such as ...
Blood Pressure (BP) Blood Pressure (BP)
A single cell from an early-stage human embryo A single cell from an early-stage human embryo
Video: ATPase function - membrane transport, contractile proteins and synthesis

For a complete list of videos, visit our video library