Question

Read the statements regarding a stable community and choose the correct option :

1. Must be resistant to invasions by alien species
2. Should show much variation in productivity from year to year
3. Must be resistant to occasional disturbance

• A. 2 and 3
• B. 1 , 2 and 3
• C. 3 only
• D. 1 and 3
• E. 1 and 2

Answer 1

The correct option is D 1 and 3

A stable community should have the following characteristics:

i) It must be resistant to the invasions by other species.

ii) There must not be a lot of variation is the production by each year.

iii) It must exhibit resistance to disturbances that occurs occasionally (natural and man-made).