« previous next »

Author Question: The use of DDT proved disastrous to many bird species, including: a. pterosaurus. b. chickens. ... (Read 51 times)

Mr. Wonderful

  • Hero Member
  • *****
  • Posts: 866
on: Jul 10, 2018
The use of DDT proved disastrous to many bird species, including:
 
  a. pterosaurus.
  b. chickens.
  c. bald eagles.
  d. ostriches.
  e. turkeys.

Question 2

_____ is perhaps best-known insecticide to have altered the course of a species evolution.
 
  a. Nicotine
  b. DDT
  c. Pyrethrum
  d. Ryanoids
  e. Windex


meow1234

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 10, 2018
Answer to Question 1

C

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

The frequency of competition according to the number of species involved. The frequency of competition according to the number of species involved.
These species are all at risk of extinction. These species are all at risk of extinction.
Foliage height diversity and bird species diversity (data from MacArthur and MacArthur 1961). Foliage height diversity and bird species diversity (data from MacArthur and MacArthur 1961).
Blue-tongued lizards are the largest species of skink Blue-tongued lizards are the largest species of skink
Species, subspecies, populations, and individuals. Species are reproductively isolated from one anot Species, subspecies, populations, and individuals. Species are reproductively isolated from one anot
In the summer of 1793, a yellow fever epidemic struck Philadelphia, killing nearly 4,000. Tens of th In the summer of 1793, a yellow fever epidemic struck Philadelphia, killing nearly 4,000. Tens of th
Video: Depolarization of the SA node, Action potentials of the myocardium & ANS effects

For a complete list of videos, visit our video library