B1.3.8 - Seed dispersal

Question 1

What is meant by seed dispersal?

Answer 1

When seeds are released away from the parent plant and each other.

Question 2

Why are seeds dispersed?

Answer 2

1. To provide more space for growth.

2. So that the seedlings do not compete for resources.

Question 3

Which resources do plants compete for?

Answer 3

1. Light
2. Water
3. Nutrients in soil

Question 4

The 4 methods of seed dispersal are…

Answer 4

1. Wind
2. Animal
3. Water
4. Explosive

Question 5

Describe some of the features of seeds that are dispersed by wind.

Answer 5

1. Small mass

2. Extensions that act as parachutes or wings.

Question 6

Give 2 examples of plants that disperse their seeds using the wind.

Answer 6

1. Dandelions

2. Sycamore trees

Question 7

Animals can disperse seeds in 2 ways. These are…

Answer 7

1. Internally

2. Externally

Question 8

Describe the seeds of a plant that are dispersed by water.

Answer 8

1. Low mass

2. Waterproof

Question 9

Give an example of a plant whose seeds are dispersed by water.

Answer 9

1. Coconut trees

2. Willow trees

Question 10

Some fruits burst open when they are ripe, releasing their seeds in all directions. Give an example of plant that does this.

Answer 10

1. Cucumbers
2. Himalayan balsam
3. Pea plants