This topic contains a solution. Click here to go to the answer

Author Question: The population of elk in Yellowstone A) reflects top-down and bottom-up population regulation. ... (Read 68 times)

123654777

  • Hero Member
  • *****
  • Posts: 585
The population of elk in Yellowstone
 
  A) reflects top-down and bottom-up population regulation.
  B) has survived because of the elimination of keystone predator species.
  C) would have been more stable if there had only been one predator species.
  D) would be better off if all predators were eliminated from the park.

Question 2

With all of the sun's energy striking the Earth every second of every day, why doesn't the Earth overheat and kill all life living on it?
 
  A) The Earth is so large and dense that it absorbs all of this heat.
  B) The Earth is overheating regionally, melting rocks into the lava of volcanoes.
  C) The Earth maintains a balance by radiating this heat back into space.
  D) The atmosphere of the Earth prevents the solar radiation from reaching the Earth's surface.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kjo;oj

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

A

Answer to Question 2

C




123654777

  • Member
  • Posts: 585
Reply 2 on: Jul 16, 2018
Wow, this really help


jomama

  • Member
  • Posts: 346
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

For a complete list of videos, visit our video library