Author Question: Groups of organisms that may have been separated for millions of years may be brought together in ... (Read 180 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?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

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?

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.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

For a complete list of videos, visit our video library