Ecosystem Question 120
A natural ecosystem is a complex system consisting of living organisms and their physical environment interacting as a functional unit.
Options:
A) Depends on man
B) Depends on plants for food and oxygen
C) Depends on animals
D) Is automatically operated
Show Answer
Answer:
Correct Answer: D
Solution:
Because in an auto-operated ecosystem, plants and animals both balance their activities in a mutual manner.
BETA
