Significance of seed dispersal and fruit formation
Answers
Significance of Seeds and Fruits
The seed and fruit of a plant offer many advantages. These are as follows:
Advantages of Seed
Seed plants do not require water for pollination and fertilization. Hence seed formation is more dependable.
Seeds have adaptive characteristics of the new environment, which is beneficial for seed dispersal and colonization
Seeds can carry a number of variations through sexual reproduction.
They can be stored for future use.
They can reserve food for nourishing the young plant.
Advantages of Fruit
Fruits protect the seeds from improper climate conditions and insects.
Seed dispersal can be done by fruits.
Fruits provide food to animals.
Fruits are a good nutrient source for humans.
After the formation of zygote following changes
occur in a flower.
(a) Bright colour of flower is lost.
(b) Except ovary, all the parts of flower fall off.
(c) Ovule in the ovary supplies food to the zygote which becomes embryo.
(d) Meanwhile, the walls of ovule become hard.
(e) Thus, the ovule transforms itself into seed.
(f) As the seeds form, the ovary increases in size and becomes fruit.
(g) The ovary wall becomes the fruit wall.