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 422 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
YES! Correct, THANKS for helping me on my review


miss_1456@hotmail.com

  • Member
  • Posts: 289
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

For a complete list of videos, visit our video library