food chain

« previous next »

Author Question: food chain (Read 756 times)

pratush dev

Sr. Member
Posts: 321

on: Dec 7, 2014

A food chain comprises a number of trophic levels. Which is the trophic level vulnerable to extinction?

Celeste

Hero Member
Posts: 588

Reply #1 on: Dec 7, 2014

I believe it's all but the primary producers. Do you have a list of options?

Need homework help now?

Ask unlimited questions for free

Ask a Question

« previous next »

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

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?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.