VARIATION IN POPULATION

BIOLOGY SSS 3 FIRST TERM

WEEK SEVEN

VARIATION IN POPULATION

PERFORMANCE OBJECTIVE

Students should be able to;

  1. Enumerate types of morphological variation
  2. Discuss types of variation
  3. Explain the various Applications of variations

CONTENT

Variations mean the differences (morphological, physiological, cytological and behaviouristic) amongst the individuals of the same species and the offspring of the same parents.

They are found in all the characters and every conceivable direction. Therefore, no two individuals are similar.

Importance of Variations:

  1. Variations make some individuals better fitted in the struggle for existence.
  2. They help the individuals to adapt themselves according to the changing environment.
  3. Discontinuous variations produce new traits in the organisms.
  4. Variations allow breeders to improve races of useful plants and animals for increased resistance, better yield, quicker.... View More

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