« previous next »

Author Question: Sparrows with average-sized wings survive severe storms better than those with l (Read 542 times)

Garrulous

  • Hero Member
  • *****
  • Posts: 686
on: Jul 9, 2013
Sparrows with average-sized wings survive severe storms better than those with longer or shorter wings, illustrating
A) the bottleneck effect.
B) disruptive selection.
C) frequency-dependent selection.
D) neutral variation.
E) stabilizing selection.


Hawke

  • Hero Member
  • *****
  • Posts: 679
Reply #1 on: Jul 10, 2013
Hello

E is the answer.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

An albino alligator could survive only in captivity. An albino alligator could survive only in captivity.
Drake canvasback stretching wings Drake canvasback stretching wings
Lestidae is a rather small family of cosmopolitan, large-sized, slender damselflies. They are of the Lestidae is a rather small family of cosmopolitan, large-sized, slender damselflies. They are of the
(a) Homologous traits are similar due to shared ancestry. (b) Analogous traits (bats’, birds’, and f (a) Homologous traits are similar due to shared ancestry. (b) Analogous traits (bats’, birds’, and f
Average Hourly Earnings of U.S. Workers in Current and Constant Dollars Average Hourly Earnings of U.S. Workers in Current and Constant Dollars
Small Town USA: Struggling to Survive Small Town USA: Struggling to Survive
Video: Definitions of stroke volume, preload definition & Factors influencing stroke volume

For a complete list of videos, visit our video library