Seed Dispersal

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

All the following are the plants dispersal method except _______.

• By wind

• By water

• By animals

• by explosion

• by other plants

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

Choose the ideal characteristics of seed which is disperses by wind

• Attractive colour, explode when dry

• Small, edible, waterproof

• Light, float on water, have air space

• Small, light, have wing-like structure

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

I have air spaces within my fruit. What is likely my dispersal method?

I am waterproof and have fibrous husk. What is likely my dispersal method?

Why are grape seeds able to be dispersed by animals?

• 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

How do the papaya seeds get spread by birds?

• Birds carry the seeds using their claws

• Through their saliva

• Through their dropping

• Birds carry the seeds in their mouth

What is the effect of explosive mechanism to this plant?

• The seedlings will grow far from the okra plant

• Causes the seedlings become crowded

• Plants are not be able to maintain their species

• The seeds are not growing