Question

How many of the following statements are true about human induced disturbances like deforestation during primary or secondary ecological succession?

1. Does not affect any species of organisms.
2. Can convert particular seral stage to a preceding stage.
3. Eliminate some species from that area.
4. Create new conditions which encourage increase in some species of organisms.

Options

• I only

• I and II only

• II and III only

• II, III and IV only

Answer 1

II, III and IV only

Explanation:

Statement I is false as human-induced disturbances do affect species of organisms.