This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Darwin believed that emotional expressions began as ________ that came to have evolutionary value ... (Read 61 times)

NClaborn

  • Hero Member
  • *****
  • Posts: 560
on: Jun 22, 2018
Darwin believed that emotional expressions began as ________ that came to have evolutionary value because they ________.
 
  a. physiological reactions; convey emotional states to other members of the species
  b. physiological reactions; increased the efficiency of bodily reactions
  c. communication devices; increased the efficiency of bodily reactions
  d. random mutations; convey expectations to other members of the species

Question 2

When people communicate using nonverbal behavior, they typically use
 
  a. their eyes.
  b. their hands.
  c. their tone of voice.
  d. multiple channels.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

k.lashomb

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: D


NClaborn

  • Member
  • Posts: 560
Reply 2 on: Jun 22, 2018
Excellent

JCABRERA33

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Evolutionary changes in the shape of oyster shells. Evolutionary changes in the shape of oyster shells.
Charles Robert Darwin (1809-1882). Charles Robert Darwin (1809-1882).
The Procedure Used to Produce Conditioned Emotional Responses The Procedure Used to Produce Conditioned Emotional Responses
Involvement of Magnocellular and Parvocellular Systems in Emotional Perception Involvement of Magnocellular and Parvocellular Systems in Emotional Perception
Some Universal Expressions Some Universal Expressions
Video: Introduction to Eating Disorders

For a complete list of videos, visit our video library