Author Question: Groups of organisms that may have been separated for millions of years may be brought together in ... (Read 182 times)

erika

  • Hero Member
  • *****
  • Posts: 522
Groups of organisms that may have been separated for millions of years may be brought together in new combinations primarily by
 
  A) shifting weather patterns.
  B) changes in ocean currents.
  C) plate tectonics.
  D) changes in Earth's magnetic fields.

Question 2

Which one of the following is the best analogy to the movements of continents by plate tectonics?
 
  A) A worm tunneling through soil
  B) Noodles drifting throughout a cup of chicken noodle soup
  C) Air mattresses drifting about on the top of a swimming pool
  D) A train running along its tracks



mcabuhat

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

C

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

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?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

For a complete list of videos, visit our video library