6. Which of the following is/are unique characteristic/characteristics of equatorial forests? 
1. Presence of tall, closely set trees with crowns forming a continuous canopy
2. Coexistence of a large number of species 

3. Presence of numerous varieties of epiphytes

Select the correct answer using the codes given below.

1. 1 only

2. 2 and 3 only

3. 1 and 3 only

4. 1, 2 and 3

Correct Answer :

1, 2 and 3