« previous next »

Author Question: Over a span of two decades, scientists measured changes in the beak size of a po (Read 1120 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?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Estimating cicada population size and predation rates by birds. Estimating cicada population size and predation rates by birds.
Muscle strength and size. Muscle strength and size.
Biodiversity Depends on the Size of Habitat Biodiversity Depends on the Size of Habitat
Orangutan males are twice the size and weight of females. Orangutan males are twice the size and weight of females.
The proboscis monkey demonstrates that large gut size contributes to a lower EQ. The proboscis monkey demonstrates that large gut size contributes to a lower EQ.
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. . .
Video: Types of Shock (Part 2 of 2)

For a complete list of videos, visit our video library