Seed dispersal micro-lesson

Sian Hobson

Science

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Learning time

Kids learn by watching short, engaging video lessons.

There are a variety of different ways that seeds can be dispersed to allow for the re growth and reproduction of plants. Let’s take a look at a few of the different ways.

Wind – The wind is often used to carry seeds such as that seen of the ‘sycamore’ fruits which have adapted to use the wind to carry the seeds away when they are ready.

Bursting – Some plants have pods of seeds that will simple burst and shower the ground with their seed when ready. An example of this is peas, which burst open its pod when ready to disperse its seeds.

Shakers- Some plants rely on being shaken to disperse their seeds. For example when poppies have finished flowering all that they have left is a long stem with a dried seed pod. They are reliant on the wind to shake and scatter the seeds out of the pods to disperse them.

Water – Other types of plants also rely on water to disperse their fruits. They will either grow on the water or but the side of the water. An example of this is water lilies.

Catching a ride – Some plants have developed tiny hooks on their fruits which will hook onto animals or people that pass by the plant, which will eventually drop off on the ground.

Seeds as food – Other plants make tasty fruits to encourage animals to eat the fruits which will in turn pass through the animal and out the other end, with a ready supply of fertiliser. This ensures that the seed is given nutrients to help it grow.

Answer time

Kids earn more screen time by answering fun educational questions.

Here are some example of questions about this video that kids may be asked in the 1Question app to earn screen time.

Give an example of a plant that relies on water for seed dispersal.

1) Water lilly

2) Bluebell

3) Dandelion

4) Rose
Give an example of a plant that will burst to disperse its seeds?

1) Peas

2) Poppy

3) Sunflower

4) Rose
Name 3 forms of seed dispersal

1) Wind, Water and bursting

2) Popping, burying, pulling

3) Carrying burying, hiding

4) Moving, burying, popping
Name an advantage of an animal eating seeds for dispersal

1) It provides the seeds with nutrients to help them grow.

2) Animals get stronger

3) It provides the seeds with water.

4) It allows the animal to reproduce
What are poppy seeds reliant on to ensure seed dispersal takes place?

1) The wind to shake them out of their pods.

2) The water to move the seeds

3) Animals to eat them

4) Bursting to move the seeds.