Seed Dispersal

Science

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Basic needs of plants

Plants need air, sunlight and water to carry out photosynthesis to make their own food

Dispersal of seeds and fruits

Plants need agents to help them disperse their seeds or fruits, away from the parent plant

Plants have various ways to disperse their seeds or fruits

Plants disperse their seeds and fruits by wind, water, animals, humans and explosive mechanism

Seed dispersal of lotus plant by water

Special characteristic of lotus plant is light which enable fruits to float on water and be carried away by the water

Seed dispersal of coconut plant by water

Coconut plant is covered with waxy skin to prevent water from entering the fruit

Seed dispersal of cotton plant by wind

Cotton plant have special characteristics such as small, dry, and light so that the seeds can be blown away by the wind to faraway places

Seed dispersal of chestnut plant by explosive mechanism

The fruits of chestnut dry up and burst when they are ripen and the seeds are thrown far away from the plant

Seed dispersal of mimosa fruit by animals

Mimosa fruit has fruits with hooks, which can cling on animals' fur or skin to be dispersed

Seed dispersal of watermelon plant by animals

The fruits as well as the seeds are are eaten by animals and the seeds will be passed out in the faeces of the animals

Importance of survival of animal and plant species

Plants are the food sources of other living things and animals cannot continue living due to the lack of food source if one plant is extinct

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