Question

____________ is complete eco system
(Soil, Humus, Weathered rocks )​

Answer 1

Explanation:

Ecosystems can be very large or very small. Tide pools, the ponds left by the ocean as the tide goes out, are complete, tiny ecosystems. Tide pools contain seaweed, a kind of algae, which uses photosynthesis to create food. Herbivores such as abalone eat the seaweed.

Answer 2

Answer:

Soil is complete eco system

Btw, Ecosystem consists of both Biotic and non biotic elements.