Author Question: food chain (Read 739 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?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

For a complete list of videos, visit our video library