Answer to Question #127700 in Ecology for Kylie

Question

. In the Winogradsky column the top part consists of ____.
1. O2 dominated mud
2. Rust- coloured zone
3. Anoxic H2S dominated zone
4. Red zone.

Answer 1

The top part in the winogradsky column consists of a rust- coloured zone.

The Rusty column is as a result of ferric hydroxide produced when the sheathed bacteria which are aerobic breaks down organic substrates.