Growth and Development

Short Definition

Growth and development refer to the increase in size and the progressive changes in an organism’s life cycle.

Detailed Explanation

Growth is the permanent increase in cell size and number, leading to the overall size of the organism. Development includes differentiation and specialization of cells and tissues, resulting in the formation of organs and organ systems.

Stages of Growth

• Cell division (mitosis) increases cell number.
• Cell enlargement increases cell size.
• Cell differentiation leads to specialized structures and functions.

Importance

Growth and development are essential for survival, reproduction, and adaptation of organisms in their environment.