Science 5 - Seed Dispersal

What is seed dispersal?

• The growth of a seed to form a seedling

• The fusion between male and female parts

• The transfer of pollen grains from the anther to the stigma

• The scattering of seeds away from the parents plant

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

• germinate at the same time

• grow near to parents' plant

• prevent overcrowding

• compete with one another for minerals in the soil

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

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

Part of the plant that helps in seed dispersal

• Stem
• Leaf
• Flower
• Fruit

Tags

NGSS.MS-LS1-4

My pod splits open and seeds are thrown far away from my mother plant. What is likely my dispersal method?

• animal

• explosion

• water

• wind

Which of the seeds below has the same dispersal method as the seed/fruit in this picture?

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Why are dandelion seeds able to disperse by wind?

• Have small seeds and edible

• Have air spaces and dry

• Have hooks that attached with animals fur

• Light and have small hairs

How do the papaya seeds get spread by birds?

• Through their saliva

• Birds carry the seeds using their claws

• Through their dropping

• Birds carry the seeds in their mouth