Seed dispersal Flashcards
What is meant by seed dispersal?
When seeds are released away from the parent plant and each other.
Why are seeds dispersed?
To provide more space for growth.
So that the seedlings do not compete for resources.
Which resources do plants compete for?
Light
Water
Nutrients in soil
The 4 methods of seed dispersal are…
Wind
Animal
Water
Explosive
Describe some of the features of seeds that are dispersed by wind.
Small mass
Extensions that act as parachutes or wings.
Give 2 examples of plants that disperse their seeds using the wind.
Dandelions
Sycamore trees
Animals can disperse seeds in 2 ways. These are…
Internally
Externally
Describe the seeds of a plant that are dispersed by water.
Low mass
Waterproof
Give an example of a plant whose seeds are dispersed by water.
Coconut trees
Willow trees
Some fruits burst open when they are ripe, releasing their seeds in all directions. Give an example of plant that does this.
Cucumbers
Himalayan balsam
Pea plants
