Author Question: A tidal barrage would be used to generate electricity A) at the mouth of a bay. B) at the bottom ... (Read 58 times)

moongchi

  • Hero Member
  • *****
  • Posts: 516
A tidal barrage would be used to generate electricity
 
  A) at the mouth of a bay.
  B) at the bottom of a large lake.
  C) near the tip of an ocean peninsula.
  D) in the open ocean.

Question 2

Why are there so few ecosystems with more than four levels of consumers?
 
  A) Biomass decreases by about 90 at each trophic level, moving upward.
  B) Top consumers compete with and kill each other with increasing population size.
  C) Consumers at these highest trophic levels typically form social groups that stop reproducing at high densities.
  D) Predators at the highest trophic levels simply are not intelligent enough to hunt other top predators.



carojassy25

  • Sr. Member
  • ****
  • Posts: 299
Answer to Question 1

A

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Your heart beats over 36 million times a year.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

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?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

For a complete list of videos, visit our video library