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 70 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?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

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).

This moose exploits the twigs and buds of woody plants for the food it needs to survive a cold north This moose exploits the twigs and buds of woody plants for the food it needs to survive a cold north
Sample Exercise Prescription for Weight Training: Intermediate Sample Exercise Prescription for Weight Training: Intermediate
A medical assistant holds a specimen container to receive a biopsy sample. A medical assistant holds a specimen container to receive a biopsy sample.
The Nutrient Fact Panel on the food label can help consumers make smart nutrition choices The Nutrient Fact Panel on the food label can help consumers make smart nutrition choices
Should Parents Make Their Own Baby Food? Should Parents Make Their Own Baby Food?
Chewing & Swallowing: Food Processing Begins Chewing & Swallowing: Food Processing Begins
Video: What are Strong & Weak Acids and How they're different?

For a complete list of videos, visit our video library