Year 3 Science: Seed Dispersal Quiz

Which of these best describes seed dispersal?

• the movement of seeds towards the parent plant

• the movement of seeds away from the parent plant

What kind of seeds are in the picture? Tick your answer.

• tree

• dandelion

• grass

How would this seed be dispersed? Tick your answer.

• by wind

• by animals

• by water

Select the four different ways seeds can be dispersed.

Groups:

(a) Wind

,

(b) water

,

(c) explosion

,

(d) Animals

• seeds float to a new location.

• Seeds stick to or are eaten, which transports the seeds to a new location.

• seeds are blown to a new location

• When fruits in plants ripen and burst, shooting out the seeds.

Seed dispersal is important for plants to ​ (a)   .

Seed dispersal allows new ​ (b)   to grow in areas where there may be lots of ​ (c)   .

This means that plants may grow ​ (d)   ,

• survive
• plants
• space
• Healthily

Tommy wanted to find out more about seed dispersal. He dropped a sycamore seed on two different days to see how far it landed from him. a) How is a sycamore seed dispersed?

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b) On which day did the sycamore seed travel furthest when Tommy dropped it?

• Day 1

• Day 2

c) What could have made the seed travel further?

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Answer explanation

There may have been a stronger wind.

d) Why is it important that seeds travel away from the parent plant?

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The seeds in the picture have hooks on their coating.

Which method of seed dispersal would they use?

• Wind

• Explosion

• Water

• Animals