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

Author Question: In the evolution of whelk-eating behavior in crows, which of the following was o (Read 400 times)

penza

  • Hero Member
  • *****
  • Posts: 1,022
In the evolution of whelk-eating behavior in crows, which of the following was optimized through natural selection?
A) the average number of drops required to break the shell
B) the average height a bird flew to drop a shell
C) the average total energy used to break shells
D) the average size of the shells dropped by the birds
E) the average thickness of the shells dropped by the birds



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Celeste on Sep 1, 2019

Celeste

  • Hero Member
  • Posts: 588


penza

  • Member
  • Posts: 1,022
Reply 2 on: Oct 27, 2013
Great answer, keep it coming :)


LVPMS

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Excellent

 

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

For a complete list of videos, visit our video library