Physical structure of an ecosystem:
I: is same for all types of ecosystems.
II: is the result of interaction of biotic and abiotic components.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic:  Introduction | ECOSYSTEM – STRUCTURE AND FUNCTION |
 66%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.