« previous next »

Author Question: Over a span of two decades, scientists measured changes in the beak size of a po (Read 1132 times)

Mr. Wonderful

  • Hero Member
  • *****
  • Posts: 866
on: Apr 23, 2014
Over a span of two decades, scientists measured changes in the beak size of a population of Galápagos ground finches. This ______.
A) provided evidence of natural selection in action
B) is an example of artificial selection
C) is an example of overproduction
D) led Darwin to his theory of evolution through natural selection


Millan

  • Sr. Member
  • ****
  • Posts: 368
Reply #1 on: May 12, 2014
This is for essentials biology, right? the answer is A. Bye for now.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Mr. Wonderful

  • Hero Member
  • *****
  • Posts: 866
Reply #2 on: May 12, 2014
Thx a lot, Millan - this helps so much.


« previous next »
 

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Detritivores are often classified according to their body size as microflora, microfauna, mesofauna, Detritivores are often classified according to their body size as microflora, microfauna, mesofauna,
Percussing Liver Span, Measuring Liver Span Percussing Liver Span, Measuring Liver Span
Nephroblastoma. A sectioned kidney reveals the presence of a very large tumor, which arose from feta Nephroblastoma. A sectioned kidney reveals the presence of a very large tumor, which arose from feta
Drag the labels to indicate the change in the size of the reservoir. . . Drag the labels to indicate the change in the size of the reservoir. . .
Does Intelligence Increase with Brain Size? Does Intelligence Increase with Brain Size?
People are living longer today than in previous decades People are living longer today than in previous decades
Video: Major Elements in Biological Molecules: Nucleic acids

For a complete list of videos, visit our video library