Author Question: In the evolution of whelk-eating behavior in crows, which of the following was o (Read 345 times)

strangeaffliction

  • Hero Member
  • *****
  • Posts: 660
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
 

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

For a complete list of videos, visit our video library