« previous next »

Author Question: Feathers evolved from scales for what purpose? a. Swimming. b. Flying. c. Sexual selection. ... (Read 82 times)

Davideckstein7

  • Hero Member
  • *****
  • Posts: 555
on: Jun 22, 2018
Feathers evolved from scales for what purpose?
 
  a. Swimming.
  b. Flying.
  c. Sexual selection.
  d. Insulation.

Question 2

The Ice Age began ______________.
 
  a. 2.5 million years ago.
  b. 10,000 years ago.
  c. 15 billion years ago.
  d. 100,000 years ago.


hramirez205

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jun 22, 2018
Answer to Question 1

D

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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 Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

A hypothetical scenario illustrating the process of chemical selection A hypothetical scenario illustrating the process of chemical selection
Brown Pelicans Flying Brown Pelicans Flying
(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
Masters and Johnson’s Four-Phase Model of the Sexual Response Cycle Masters and Johnson’s Four-Phase Model of the Sexual Response Cycle
Sexual Response Cycle Sexual Response Cycle
Forms of Sexual Misconduct Cont Forms of Sexual Misconduct Cont
Video: Primary Active Transport - electrochemical gradient and ion transport / water movement

For a complete list of videos, visit our video library