« previous next »

Author Question: The period of the zygote begins with a. ovulation. b. ejaculation. c. implantation. d. ... (Read 34 times)

P68T

  • Hero Member
  • *****
  • Posts: 509
on: Jun 22, 2018
The period of the zygote begins with
 
  a. ovulation.
 b. ejaculation.
 c. implantation.
  d. fertilization.

Question 2

How many of the following are considered secondary sex characteristics: growth of facial hair in boys, development of a functional uterus in girls, voice change in boys, and broadening of shoulders in girls?
 
  a. one
 b. two
 c. three
  d. four


Bison

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jun 22, 2018
Answer to Question 1

d

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Anthropocene Period Anthropocene Period
Embryonic Period Embryonic Period
Embryonic Period Embryonic Period
Embryonic Period Embryonic Period
Chewing & Swallowing: Food Processing Begins Chewing & Swallowing: Food Processing Begins
Video: A timeline of the teeth (Explained - No Audio)

For a complete list of videos, visit our video library