(a) State two disadvantages of sexual reproduction in animals. (b) State two functions of the placenta in mammals

      

(a) State two disadvantages of sexual reproduction in animals.
(b) State two functions of the placenta in mammals

  

Answers


John
(a) - Undesirable characteristics from the parents may be passed on the off springs.

- Involves two different sexes for mating to occur.

- Takes a loner time to reproduce

- Few off springs are produced at a time

(b) (i) Provides site for exchange of material

(ii) Production of hormones

iii) Acts as a barrier

iv) Serves to protect the foetus by producing amniotic fluid which absorbs shock
johnmulu answered the question on May 12, 2017 at 06:18


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