Choose the set that represents only the biotic components of the habitat:
Aquatic plants, Fish, Frog, Insect
The correct option is D.
Explanation of the correct option:
Explanation of the incorrect options:
Option A:
Soil is an abiotic component of the ecosystem.
Option B:
Rocks and air are not biotic components.
Option C:
Sand and rocks are not living/biotic components of the ecosystem.
Final answer: Biotic components include: aquatic plants, fish, frogs, insects.