Question
Question: Which is / are true regarding ecosystem? A. Self sufficient unit B. Cyclic exchange of materials b...
Which is / are true regarding ecosystem?
A. Self sufficient unit
B. Cyclic exchange of materials between living beings and environment
C. Only requirement is input of energy
D Characterized by a major vegetation type
A
A, C
B
A, D
C
A, B, C
D
A, B, C, D
Answer
A, B, C