Seed dispersal

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

A: Can float on water

B: They are heavy and fall to the ground

C: Have hooks or stiff hairs

D: Have wing-like structures and are light

• A

• B

• C

• D

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 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

Tags

NGSS.3-LS4-2

NGSS.4-LS1-1

All fruits have seeds.

• True
• False

Why is fruit formed around an apple seed?

• Fruit is formed around the seed to protect it.
• Fruit is not formed around the seed.
• Fruit is everywhere.
• Fruit is different color.

Animals _________ plant pollination and seed dispersal.

• hurt
• make no difference to
• destroy
• help

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-2

How are shorea seeds dispersed?

• By wind

• By animal

• By splitting

• By water

What is made by plants that contains a new plant?

• seed

• nectar

What do seeds need in order to grow into healthy plants?

• right amount of water and air

• right amount of water, sunlight and air

• right amount of water, sunlight, air and a space to grow

Tags

NGSS.5-LS1-1

What is it called to spread seeds to other places?

• germination

• habitat

• seed dispersal

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5