Ovules is the part of flower that develops into seed after fertilization. Ovule is located inside the ovary and it consists of the female gamete. Eventually, the ovary develops into the fruit which contains the seeds.

Plant reproduction can be accomplished by sexual or asexual ways. In sexual reproduction, offspring are formed by the fusion of gametes, which results in offspring, which are genetically different from the parents. In asexual reproduction, one parent is required to produce offspring and the offspring is identical to the parent. Vegetative reproduction is a mode of asexual reproduction.

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A spore is an asexual reproductive body developed by an organism. It has a thick protective coating that protects it.
Spores are formed when the conditions are not favourable for the organism to reproduce. When favourable conditions return, the spore germinates to give rise to new individual organism.
Spores arethe means of reproduction in many fungi like the bread mould and plants like moss and ferns.

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Explanation: 2 Marks
Stamen is the male part of the flower while pistil is the female part of a flower.
Stamen consists of two parts - anther and filament. Anther produces pollen grains which contain the male gamete. Filament connects the anther to the flower.
A pistil consists of three parts - stigma, stile and ovary. Stigma receives the pollen grains while pollination. style connects the stigma to the ovary. Ovary contains ovule which houses the female gamete.

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Seed dispersal occurs by the following agents:

1. Dispersal by wind - The seeds that are dispersed by wind are usually light in weight and have wing-like structures for efficient propagation. The stigma of these flowers have hair like structures. eg: maple.
2. Dispersal by water - This kind of dispersal occurs in aquatic plants and plants which grow near water bodies. eg: coconut seeds.
3. Dispersal by animals - Some seeds have spine-like structures on them. They get stuck on the fur of the animals and get spread to different places.

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(i) Stigma
(ii) Style
(iii) Ovary
(iv) Ovules