« previous next »

Author Question: Which of the following conditions is the most likely indicator of a population i (Read 551 times)

penza

  • Hero Member
  • *****
  • Posts: 1,022
on: Nov 3, 2013
Which of the following conditions is the most likely indicator of a population in an extinction vortex?
A) The population is geographically divided into smaller populations.
B) The species in question is found only in small pockets of its former range.
C) The effective population size of the species falls below 500.
D) Genetic measurements indicate a loss of genetic variation over time.
E) The population is no longer connected by corridors


plus1

  • Hero Member
  • *****
  • Posts: 676
Reply #1 on: Nov 3, 2013
I recall doing this last year, it's D, bye bye!


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

penza

  • Hero Member
  • *****
  • Posts: 1,022
Reply #2 on: Aug 21, 2014
Incredible, thanks for your help!


« previous next »
 

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Details of plant population biology from repeat photography: (a) saguaro cactus in MacDougal Crater, Details of plant population biology from repeat photography: (a) saguaro cactus in MacDougal Crater,
The bobcat population has seen declines in the American Midwest, but is generally stable and healthy The bobcat population has seen declines in the American Midwest, but is generally stable and healthy
Projected Ethnic Changes in U.S. Population to 2050 Projected Ethnic Changes in U.S. Population to 2050
Conditions Recommended for Prophylaxis Antibiotics Conditions Recommended for Prophylaxis Antibiotics
Average Annual Growth Rates of Population by Country Group Average Annual Growth Rates of Population by Country Group
Human Progeroid Conditions Human Progeroid Conditions
Video: Four Giant Convection Cells oF Earth

For a complete list of videos, visit our video library