Seed Dispersal/composting

The purpose of seed dispersal is for the seeds to __________.

• germinate at the same time

• move to the same place and grow

• move further away from the parent plant

• compete with one another for minerals in the soil

How are dandelion seeds dispersed?

• by animals

• by explosion or bursting

• by wind

Tags

NGSS.MS-ESS2-5

How are coconuts dispersed?

• by animals

• by water

• by wind

Tags

NGSS.4-ESS2-1

How are raspberries dispersed?

• by animals

• by explosion or bursting

• by water

Why it is better for seeds to be scattered far and wide?

• To provide shelter to other animals.

• For farmers to see which soil is good for the plants.

• For plants to have a better chance of growing healthier.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

NGSS.MS-LS2-4

I have parachute like structures. What is likely my dispersal method?

• wind
• water 
• animals
• explosive action

I have hooks to cling to animal fur. What is likely my dispersal method?

• wind
• water 
• animals
• explosive action

My pod splits open and seeds are thrown out with a force. What is likely my dispersal method?

• wind
• water 
• animals
• explosive action

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

State the characters ideal for dispersion by wind.

• Small, light and hair-like

• Small, light and sharp hooks

• Big, light and fibrous husk

• Big, light and explode

Tags

NGSS.3-LS4-2

NGSS.4-LS1-1

Why are shorea seeds able to be dispersed by the wind?

• It is light and has wing-like structure

• It has hooks to hook onto the fur of animals

• It has a fibrous husk that makes it float

• It has dry pods that split open

Tags

NGSS.MS-LS1-4