Which is a tough and rigid layer that surrounds plant cells, as well as some algal bacterial cells

The cell wall

Explanation: A cell wall is a rigid structure that surrounds a plant cell. A cell wall is made up of cellulose and thus is usually referred to as a cellulose cell wall . It gives strength and support to the cell and gives it a definite shape.

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs