This topic contains a solution. Click here to go to the answer

Author Question: Harry and Martha Frank found that on barrier problems dogs did not perform as well as _________. ... (Read 80 times)

swpotter12

  • Hero Member
  • *****
  • Posts: 527
Harry and Martha Frank found that on barrier problems dogs did not perform as well as _________.
 
  a. wolves
  b. coyotes
  c. foxes
  d. otters

Question 2

Frances puts a hungry rat into an experimental chamber. Whenever the rat presses a lever, food falls into a tray. In about 30 minutes, the rat is pressing the lever steadily. Frances returns the rat to the training cage for one hour a day every day until the rat produces young. Frances then trains one of this rat's offspring in the same manner as its mother and repeats this procedure for several generations. You predict that when the twelfth generation rat is put into the training cage, it will press the lever steadily in about_________.
 
  a. 7 minutes
  b.10 minutes
  c. 20 minutes
  d. 30 minutes



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Expo

  • Sr. Member
  • ****
  • Posts: 351
Answer to Question 1

A

Answer to Question 2

D




swpotter12

  • Member
  • Posts: 527
Reply 2 on: Jun 21, 2018
Wow, this really help


meow1234

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Gracias!

 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

For a complete list of videos, visit our video library