Biology

C.Decreased biodiversity in the ecosystem

Explanation:

A primary disadvantage of monoculture farming is that it leads to decreased biodiversity in the ecosystem. When a single crop is planted over a large area, it reduces the variety of plant species, insects, animals, and microorganisms that can thrive in the area. This lack of diversity can make the ecosystem more vulnerable to pests, diseases, and environmental changes.

The other options are not disadvantages of monoculture:

A.Higher crop yields per acre can be a short-term ad...