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

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-LS1-5

NGSS.MS-LS2-5

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

How are coconuts dispersed?

• by animals

• by water

• by wind

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

• wind

• water

• animals

• explosion

How are dandelion seeds dispersed?

• by animals

• by explosion or bursting

• by wind

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

• wind
• water 
• animals
• explosive action

Germination is _________________________________.

• when a seed starts to grow

• when an egg and pollen join together

• when pollen moves stamen to stigma

• when a plant makes its own food.

A seed needs __________, __________ and a __________ to germinate.

• soil, water, air

• suitable temperature, water, sunlight

• air, water, suitable temperature

• water, air, sunlight

I have hooks on my seed, so that I can stick to animals body and get dispersed. Who am I?

• Water lily

• Cocklebur

• Balsam

• Drumstick