Variation (5)

Examples of variations caused by environmental factors (1)

A person will have a dark skin colours if he is often exposed to sunlight

Examples of variations caused by environmental factors (2)

Eating excessively will make a person fat

Examples of variations caused by environmental factors (3)

The Hydrangea sp. flower is blue if planted in acidic soil and pink in alkaline or neutral soil

Importance of variation (1)

Enables the organisms to adapt themselves to their environment

Importance of variation (2)

Enables us to easily differentiate and recognize each individual in the same species

Importance of variation (3)

Variation allows natural selection

Importance of variation (4)

Variation helps organisms to camouflage in order to protect themselves from predators

Importance of variation (5)

Variation in animals and plants can increase their value

Example of discontinuous variation (5)

Eye colour

Examples of continuous variations (4)

Cleverness