« previous next »

Author Question: Conception is defined as the moment when the a. egg is fertilized by a sperm. b. ovum undergoes ... (Read 81 times)

CQXA

  • Hero Member
  • *****
  • Posts: 546
on: Jun 22, 2018
Conception is defined as the moment when the
 
  a. egg is fertilized by a sperm.
  b. ovum undergoes its first cell division.
  c. sperm enters the fallopian tube.
  d. ovary encounters a sperm.

Question 2

Which best exemplifies the process of cultural evolution?
 
  a. The fact that different eye shapes are found within individuals in the same ethnic group
  b. Inheriting a stronger left arm than a right arm because in the past, this allowed for the faster cutting of grains and more food for families
  c. The dramatic shift from Communism to Democracy seen in the Soviet Union in the 1980s
  d. Greater height in current generations than in past generations because in past generations, food that needed to be gathered was closer to the ground


mammy1697

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jun 22, 2018
Answer to Question 1

a

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Electron-micrograph of human sperm. Electron-micrograph of human sperm.
Sperm penetrating egg cell Sperm penetrating egg cell
On November 11, 1887, four anarchists were hanged in Chicago on charges that they had thrown a bomb On November 11, 1887, four anarchists were hanged in Chicago on charges that they had thrown a bomb
At breakfast, a middle-class husband sits absorbed in the newspaper and the public affairs of the da At breakfast, a middle-class husband sits absorbed in the newspaper and the public affairs of the da
Motile sperm cells of algae and seedless plants. Motile sperm cells of algae and seedless plants.
Sperm and Egg Cell Movements Before and After Fertilization Sperm and Egg Cell Movements Before and After Fertilization
Video: Five phases of cardiac cycle & Atrial contraction

For a complete list of videos, visit our video library