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 79 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
:D TYSM

sailorcrescent

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

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?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Everyone has one nostril that is larger than the other.

The Trundholm Sun chariot pulled by a horse is a sculpture believed to be illustrating an important The Trundholm Sun chariot pulled by a horse is a sculpture believed to be illustrating an important
Darwin observed that tortoises on islands that are arid tend to have saddle-shaped shells, allowing Darwin observed that tortoises on islands that are arid tend to have saddle-shaped shells, allowing
Charles Darwin (1809–1882) Charles Darwin (1809–1882)
Durkheim believed that modern societies produce feelings of isolation, much of which come from the ... Durkheim believed that modern societies produce feelings of isolation, much of which come from the ...
Facial Expressions Can Be Deceiving Facial Expressions Can Be Deceiving
Equivalent Trig Expressions Equivalent Trig Expressions
Video: Homeostasis (range of body conditions, normal limits, mild stresses & severe stresses)

For a complete list of videos, visit our video library