Fishes and frogs fertilise externally producing enormous number of gametes because some eggs may be lost due to environmental agents like flowing water, wind, etc. and this increases the chances of fertilisation.
(b)
(c)
Question
Why do fishes and frogs produce enormous number of gametes?
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After observing above figure, answer the following.
(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.
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a. Label A and B. b. Identify the process. c. What happens during this process and what is formed? 