Author Question: In this wooded region that was once pasture, a mature forest of towering oaks and hickory trees ... (Read 102 times)

mydiamond

  • Hero Member
  • *****
  • Posts: 804
In this wooded region that was once pasture, a mature forest of towering oaks and hickory trees eventually takes over.
 
  However, change is still apparent, as a large patch of young shrubs and small trees are growing where several large trees were toppled by a storm several years ago. Collectively, this wooded region represents A) a climax ecosystem with periodic natural disturbances.
  B) primary succession.
  C) a sustained biome.
  D) a microclimate.

Question 2

The concern about human-to-human transmission of avian and swine flu is most closely monitored by
 
  A) the national governments of the countries of the world.
  B) the World Health Organization and the Centers for Disease Control and Prevention.
  C) World Wide Institute for Infectious Disease.
  D) International Centers for Health and Human Disease.



amanda_14

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

A

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

For a complete list of videos, visit our video library