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

Author Question: The ecological efficiency of herbivores and carnivores is estimated by most authorities to be ... (Read 24 times)

mynx

  • Hero Member
  • *****
  • Posts: 555
The ecological efficiency of herbivores and carnivores is estimated by most authorities to be roughly:
 a. 1 percent.
  b. 10 percent.
  c. 30 percent.
  d. 90 percent.

Question 2

Explain how natural regions can change in size or shape over time in response to environmental changes.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tuate

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

B

Answer to Question 2

Humans can modify the aspects of regions by, for example, shifting species abundance or altering habitats. A changing climate can also alter the spatial pattern of key conditions, so that shifts in ecosystem boundaries occur.




mynx

  • Member
  • Posts: 555
Reply 2 on: Aug 7, 2018
Gracias!


pratush dev

  • Member
  • Posts: 321
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

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

For a complete list of videos, visit our video library