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

Author Question: Researchers are training pigeons to peck to receive food pellets when they see gratings but withhold ... (Read 79 times)

joe

  • Hero Member
  • *****
  • Posts: 627
on: Jun 21, 2018
Researchers are training pigeons to peck to receive food pellets when they see gratings but withhold their pecks to receive pellets when they see a uniform gray circle. This procedure will help the researchers determine
 
  a. whether or not pigeons can see color.
 b. whether or not pigeons have feature detectors.
 c. how much contrast a grating must have before it looks different from the gray circle to a pigeon.
 d. whether pigeons are intelligent enough to learn to peck one stimulus rather than another.

Question 2

Which of the following factors contributes the least to feelings of thirst?
 
  a. feelings of a dry mouth
 b. a reduction in intracellular fluid levels
 c. a reduction in extracellular fluid levels
 d. an increase in the concentration of extracellular solutes


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

alexanderhamilton

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jun 21, 2018
Answer to Question 1

c

Answer to Question 2

a


joe

  • Hero Member
  • *****
  • Posts: 627
Reply #2 on: Jun 21, 2018
Thank you


alexanderhamilton

  • Sr. Member
  • ****
  • Posts: 334
Reply #3 on: Jun 21, 2018
No problem :)


« previous next »
 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Simple food web of an Arctic island. NOTE: The indication of detritivores and pathogens was not part Simple food web of an Arctic island. NOTE: The indication of detritivores and pathogens was not part
Selected Drug–Food and Drug–Herbal Interactions Selected Drug–Food and Drug–Herbal Interactions
Understanding Food Claims Not all label claims are created equal! Understanding Food Claims Not all label claims are created equal!
Ranges of Food Security Ranges of Food Security
Prevalence of Food Insecurity in the United States Prevalence of Food Insecurity in the United States
Gui (grilled food) Galbi-gui Gui (grilled food) Galbi-gui
Video: Stomach peristalsis & Enterogastric reflex

For a complete list of videos, visit our video library