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SECONDARY SEXUAL CHARACTERISTICS

Biology

Biology

SECONDARY SEXUAL CHARACTERISTICS

What are secondary sexual characteristics?

Male Sexual Characteristics

  1. Testerone is the main androgen that stimulates the development of secondary sexual characteristics.
  2. Broadening of the shoulders.
  3. Deepening of the voice due to enlargement of larynx.
  4. Hair at the pubic area, armpit and chin regions.
  5. Penis and testis enlarge and produce sperms.
  6. Body becomes more masculine. Female
  7. Enlargement of mammary glands.
  8. Hair grows around pubic and armpit regions.
  9. Widening of the hips.
  10. Ovaries mature and start producing ova.
  11. Menstruation starts.
  12. Oestrogen triggers the onset of secondary sexual characteristics.

 

Menstrual Cycle

 

Advantages of Reproduction Asexual

 

Disadvantages of asexual reproduction

 

Advantages of sexual reproduction

 

Disadvantages of sexual reproduction

 

Evaluation

  1. What are male secondary characteristics?
  2. What are the secondary characteristics of male and female?
  3. What are the characteristics of male and female?
  4. What are the secondary female characteristics?
  5. What are male characteristics?
  6. What are 5 characteristics of a man?
  7. What are feminine traits?

 

See also

FERTILIZATION IN ANIMALS

REPRODUCTION IN ANIMALS

METHODS OF FRUIT AND SEED DISPERSAL

POLLINATION

SEXUAL REPRODUCTION IN PLANTS

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