« previous next »

Author Question: Over a span of two decades, scientists measured changes in the beak size of a po (Read 1125 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?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Metabolic rates of animals that differ in size. Metabolic rates of animals that differ in size.
Scientists have demonstrated functional hair regeneration from adult stem cells Scientists have demonstrated functional hair regeneration from adult stem cells
A simulated-color map of the surface of Venus as measured by synthetic aperture radar on the Magella A simulated-color map of the surface of Venus as measured by synthetic aperture radar on the Magella
Particles measured, 1970 - 2008 and Trend in Organic Compound 1990 - 2007 Particles measured, 1970 - 2008 and Trend in Organic Compound 1990 - 2007
Distribution Patterns and Population Size Estimates (Bio 30) Distribution Patterns and Population Size Estimates (Bio 30)
Typical bacterial size and structure Typical bacterial size and structure
Video: Biological organic compounds

For a complete list of videos, visit our video library