KS3 REPRODUCTION - L3 - seed dispersal

State the method of dispersal for this seed/ fruit.

• Wind

• Animals

• Water

• Splitting Action

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

State the method of dispersal for this seed/ fruit.

• Wind

• Animal

• Water

• Splitting Action

What are the characteristic of the seeds dispersed by man and animals?

A: Can float on water

B: Sweet and juicy

C: Have hooks or stiff hairs

D: Have wing-like structures and are light

• A and B only

• B and C only

• C and D only

• A, B and C only

A mystery fruit was said to be dispersed by water.

How can one confirm this statement?

A: Place the fruit on water to see if it floats.

B: Find the mass of the fruit by putting it on a weighing scale.

C: Cut open the fruit to see if it has a fibrous husk.

D: Cut the fruit to see if it containts water.

• A and B only

• B and D only

• A and C only

• C and D only

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

Animals _________ plant pollination and seed dispersal.

• hurt
• make no difference to
• destroy
• help

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-2

Bees carry _________ from one plant to another.

• water
• dirt
• pollen
• nectar

How are coconut seeds dispersed?

• By wind

• By animal

• By splitting

• By water

Why are coconut seeds able to be dispersed by water?

• It is light and has wing-like structure

• It is juicy and edible

• It has a fibrous husk that makes it float

• It has dry pods that split open