Q. Tropical evergreen forests remain evergreen because : (Solved)
1. there is a thick undergrowth of bushes
2. they do not shed their leaves.
3. shedding of leaves and simultaneous growth of new ones takes place throughout the year
4. while plants at one level shed their leaves, those at a higher level retain their leaves
- c. shedding of leaves and simultaneous growth of new ones takes place throughout the year