Question

On what basis is ecological succession classified into primary and secondary?

Answer 1

The correct answer is option D

• The basic reason to differentiate between the primary and secondary succession is that why the succession started and how the succession started.
• The primary succession takes place on the bare land, rock where there was no plant or animal species present earlier.
• The secondary succession takes place when the previously present ecosystem was destructed by the means of human interventions or it occurred naturally.
• This shows that why and how the succession started.

Answer 2

Answer - C. The time required for the Succession to Occur

Reasoning - Behind my answer is because the time the succession evolves and grows to build life and progress to improve and expand in each certain time period.