« previous next »

Author Question: Americans increase in life expectancy is due primarily to a. increased birthrates. b. improved ... (Read 78 times)

naturalchemist

  • Hero Member
  • *****
  • Posts: 542
on: Aug 23, 2018
Americans increase in life expectancy is due primarily to
 
  a. increased birthrates.
  b. improved genetic counseling.
  c. change in the factors intrinsic to the aging process.
  d. change in environmental factors that cause death.

Question 2

Selection for survival means that members of a society are selected for survival based on
 
  a. their resistance to common causes of death.
  b. the nutrition in their diets.
  c. the amount of stress in their lifestyle.
  d. the safety of their environment.


Andromeda18

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Aug 23, 2018
Answer to Question 1

ANSWER: d

Answer to Question 2

ANSWER: a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Classification of life histories based on juvenile survival, fecundity, and age at reproductive matu Classification of life histories based on juvenile survival, fecundity, and age at reproductive matu
A Border Marks Life and Death A Border Marks Life and Death
The basic unit of life - cell The basic unit of life - cell
Paul Cézanne, Still Life with Cherries and Peaches. Paul Cézanne, Still Life with Cherries and Peaches.
Marriages Between Whites and African Americans: The Race-Ethnicity of the Husbands and Wives Marriages Between Whites and African Americans: The Race-Ethnicity of the Husbands and Wives
Psychology and Life Psychology and Life
Video: Functional zones in a mitochondrion

For a complete list of videos, visit our video library