Question

Give reason for the following :
1. the cell is called the structure and functional unit of life.
2. plant cell are more rigid than the animals cells. ​

Answer 1

Answer:

1) Cell is called the structural and functional unit of life as all activities take place in the cell. Respiration, digestion, reproduction etc., all take part due to cells. Cells combine to form tissues, tissues combine to form organs and organs form organ systems.

2) Plant cells are more rigid than animal cells because they are bound by an additional wall known as cell wall. The cell wall provides rigidity and shape to the cell.

Explanation:

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Answer 2

Explanation:

Plant cell are more rigid then animal cell coz plant cells contains cell wall where as there is absence of cell wall in animal cell. Cell wall is made up of cellulose. It gives plant cell it's shape.