Science, Bio - Seed Dispersal

Question 1

germination

Answer 1

• cool dry seeds can last for years
• embryos are dormant inside, only start to grow when there is water and suitable temperature
• some seeds need light to germinate

Question 2

types of seed dispersal

Answer 2

• wind
• water
• exploding pods
• animals

Question 3

wind

Answer 3

• small
• light
• some seeds have wings
• some have feathery parachutes
• produced in large numbers

Question 4

water

Answer 4

• able to float
• can be carried across oceans

Question 5

exploding pods

Answer 5

• seeds become ripe and will explode
• peas will scatter in every direction

Question 6

animals

Answer 6

• sticky
• hooks
• edible (carried through their digestive systems)
• small (for animals to hide them)

Question 7

seed dispersal - reduced competition

Answer 7

• reduce competition between plants of the same species