In the Appalachian Mountains, several species of salamanders live ...

[yoroshambo]

In the Appalachian Mountains, several species of salamanders live in or near a stream.
 
  The largest species lives in the stream and along its edges, a smaller species lives on land within a meter or two of the stream, and a smaller species lives about 3 to 5 meters away from the stream. In this region, these three salamander species are using A) different niches within the same habitat.
  B) the same niche and microhabitat.
  C) the same landscape but different ecosystems.
  D) the same set of limiting resources.

Question 2

Which of the following would most reduce current US reliance on foreign imports of oil?
 
  A) Switching to energy efficient light bulbs
  B) Continuing to raise the CAFE requirements for all vehicles
  C) Replacing any dishwasher or refrigerator more than 10 years old with new energy efficient models
  D) Turning computers and lights off when not in use

[recede]

Answer to Question 1

A

Answer to Question 2

B

[yoroshambo]

Thanks for the timely response, appreciate it

[laurnthompson]

Great answer, keep it coming