Seed Dispersal and Germination

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 raspberries dispersed?

• by animals

• by explosion or bursting

• by water

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

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

Tags

NGSS.4-LS1-1

What is Pollination?

• Pollination is where a pollen cell moves down the style and joins with the ovum

• Pollination is when a pollen tube grows down the style

• Pollination is where a pollen grain lands on the stigma

• Pollination is when a seed develops in the ovary

What is Fertilisation?

• Fertilisation is where a pollen cell moves down the style and joins with the ovum

• Fertilisation is when a pollen tube grows down the style

• Fertilisation is where a pollen grain lands on the stigma

• Fertilisation is when a seed develops in the ovary

What is Germination?

• Germination is where a pollen cell moves down the style and joins with the ovum

• Germination is when a pollen tube grows down the style

• Germination is where a pollen grain lands on the stigma

• Germination is when a seed begins to grow