MEASUREMENT OF GROWTH AND DEVELOPMENTAL CHANGES

Basic Science JSS2 First Term

WEEK FIVE

MEASUREMENT OF GROWTH AND DEVELOPMENTAL CHANGES

Performance Objectives

• What is growth?
• What is development?
• Differences between growth and development
• Major Indices of Growth Changes in Living Things

Content

REFERENCE
Precious seed BASIC SCIENCE FOR JUNIOR SECONDARY SCHOOLS BOOK 2

MEASUREMENT OF GROWTH AND DEVELOPMENTAL CHANGES

Growth is an irreversible increase in the dry mater incorporated in the mass, volume or size, weight, number of cells and in the length (height) of an organism.

Development is the qualitative changes in structure and functions. Heredity and Environment determine a child’s development from birth. Growth and development go hand in hand. Growth is quantitative while development is qualitative. Auxanometer is used to measure the growth in…