Q83 of 100 Page 163

In human males, the testes lie in the scrotal sacs outside the body because it helps in the :

The testes are located outside the abdominal cavity in the scrotum because the temperature of scrotum is less than the normal body temperature which is requires for sperm formation.

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Reproduction is essential for living organisms in order to :

 82

One of the following occurs reproductive system of flowering plants well as that of humans. This is :

 84

Characterstics that are transmitted from parents to offsprings during sexual reproduction show :

 85

The offspring formed as a result of sexual reproduction exhibits more variations because :