(a) Complete the table below by placing each of the following organisms under the appropriate heading: Algae, Bacteria, Dog, Water lettuce, Tadpole, Cat, Le...

Answer Details

(a)

Fungi

(b) (i) Products of decomposition:

1. Carbon dioxide
2. Water
3. Organic matter
4. Nutrients

(ii) Roles of decomposers on a refuse dump:

1. Breaking down organic matter into smaller components that can be reabsorbed by the ecosystem
2. Returning nutrients to the soil, thereby supporting plant growth
3. Reducing the volume of waste in the refuse dump.

(c) Three materials found in a refuse dump which would not be affected by the action of decomposers:

1. Glass
2. Metals (such as aluminum, iron, or steel)
3. Plastic