(b)
(c)
(d)
(b) (c) (d)
(i) a. Embedding of the embryo in the uterus.
b. Fertilisation.
c. Zygote formation and development of an embryo from the zygote.
d. Zygote showing fusion of nuclei.
(ii) The correct sequence is (b), (d), (c), (a)
(iii) Zygote formation: The sperm and the egg nuclei fuses to form a single nucleus resulting in the formation of a fertilised egg or zygote.
(i) Read the following statements and label them in the figure. (a) The part which produces female gametes. (b) The part where development of the baby takes place. (c) The part through which the developing embryo passes to reach the uterus. (ii) Explain the future development of the embryo that would take place after it gets embedded in the uterus. 
a. Label A and B. b. Identify the process. c. What happens during this process and what is formed? 