TERMINOLOGY

• GROWTH AND DEVELOPMENT IN PLANTS AND ANIMALS 
• KEY TERMS AND CONCEPTS.
• Growth- This is irreversible increase in size and mass of an organism
• Development- refers to changes in complexity of an organism
• Mitosis- this is the process by which cells divides forming two daughter cells
• Allometric growth- a type of growth whereby different parts of an organism grow at different rates and stop growing at different times.

• Diffuse growth- this is type of growth whereby growth occurs all over the body of the organism.

• Localized growth- this is a type of growth whereby growth occurs in certain regions only.

• Intermittent growth- occurs in arthropods whereby growth takes place in series of stages.
• Isometric growth- this is a type of growth whereby all parts of body grow at the same rate.
• Determinate growth- this is a type of growth which stops when a certain age is attained.
• Infancy- this is a period of child growth between 0-5 years
• Weaning- this is the introduction of solid food substance to a baby.
• Adolescence- this is a period between childhood and adulthood. This period is accompanied by rapid physical and emotional changes.
• Viability- this is the ability of a seed to germinate
• Epigeal germination- this is a type of germination in which the cotyledons emerge to the surface.
• Hypogeal germination- this is a type of germination whereby the seed coat or cotyledon remain underground.
• Seed-dormancy- refers to temporary inhibition of growth of an organism or part of it.
• Primary growth- refers to the increase in length of shoots and roots.
• Secondary growth- this refers to the increase in thickness (girth) of woody stems and roots.
• Apical dominance- this refers to the inhibition of development of lateral buds by the terminal bud.