Keystone species in an ecosystem are those

Options :
  1. present in maximum number
  2. that are most frequent
  3. attaining a large biomass
  4. contributing to ecosystem properties
Answer and Explanation :-

Answer: Option 4


Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : One of the following is not a characteristic of chordates

Next Question : Which one of the following statements about viruses is correct

Click here for online test on Classification


 (Getemail alerts when others member replies)

Success is the doing, not the getting in the trying, not the triumph. Success is a personal standard, reaching for the highest that is in us, becoming all that we can be. If we do our best, we are a success.
-Zig Ziglar