REPRODUCTIVE SYSTEM IN VERTEBRATES

BIOLOGY SSS 2 THIRD TERM

WEEK FIVE

REPRODUCTIVE SYSTEM INVERTEBRATES

PERFORMANCE OBJECTIVE

Students should be able to;

  1. Draw and label the structure of the male and female genitals (Egg and sperm)
  2. Distinguish between the egg and sperm

CONTENT

Structure of the Egg (Ovum)

Adaptations of the ovum to its function

• nucleus contains genetic material

• vitelline membrane encloses plasma membrane which encloses yolky cytoplasm

• yolky cytoplasm provides nourishment

• jelly coat protects ovum against dehydration.

 

 

Structure of the Sperm

Adaptation of the sperm to its function

• Acrosomes contain enzymes to digest egg membrane

• Nucleus contains genetic material

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