Question

During ecological succession ______.

Options

• the gradual and predictable change in species composition occurs in a given area

• the establishment of a new biotic community is very fast in its primary phase

• the numbers and types of animals remain constant

• the changes lead to a community that is in near equilibrium with the environment and is called pioneer community

Answer 1

During ecological succession the gradual and predictable change in species composition occurs in a given area.

Explanation:

Ecological succession refers to the steady and predictable change in the species composed of a specific area. During succession, certain species colonise an area and their populations increase in number, while others decline and ultimately disappear.