« previous next »

Author Question: Many species of snakes lay eggs. However, in the forests of northern Minnesota w (Read 773 times)

penguins

  • Hero Member
  • *****
  • Posts: 903
on: Jul 12, 2013
Many species of snakes lay eggs. However, in the forests of northern Minnesota where growing seasons are short, only live-bearing snake species are present. This trend toward species that perform live birth in a particular environment is an example of
A) natural selection.
B) sexual selection.
C) species selection.
D) goal direction in evolution.
E) directed selection.


Millan

  • Sr. Member
  • ****
  • Posts: 368
Reply #1 on: Jul 13, 2013
I know it's C, we did this last week ;)


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

penguins

  • Hero Member
  • *****
  • Posts: 903
Reply #2 on: Jul 18, 2013
Thank you, thank you!!


« previous next »
 

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Defensive mutualism involves species that receive food or shelter in return for providing protection Defensive mutualism involves species that receive food or shelter in return for providing protection
Species richness of birds in North America. Species richness of birds in North America.
Frog eggs Frog eggs
Are my eggs expired? Are my eggs expired?
Coniferous forests Coniferous forests
Video: Central Nervous System Animation

For a complete list of videos, visit our video library