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Explain how external fertilization takes place?
In external fertilization, the females lays hundreds of eggs outside in places like streams. The eggs are kept together and protected by a layer of jelly. The male deposits sperms over the eggs resulting in the fertilization.
Indicate whether the following sentences is True (T) or False (F) :
Egg laid after fertilisation is made up of a single cell
Indicate whether the following sentences is True (T) or False (F) :
Amoeba reproduces by budding.
Indicate whether the following sentences is True (T) or False (F) :
Fertilisation is necessary even in asexual reproduction.
Indicate whether the following sentences is True (T) or False (F) :
Binary fission is a method of asexual reproduction.
Indicate whether the following sentences is True (T) or False (F) :
A zygote is formed as a result of fertilisation.
Indicate whether the following sentences is True (T) or False (F) :
An embryo is made up of a single cell.
Give two differences between a zygote and a foetus.
Define asexual reproduction. Describe the two methods of asexual reproduction in animals.
In which female reproductive organ does the embryo get embedded?
What is metamorphosis? Give examples.
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