Download - SEED DISPERSAL

Transcript
Page 1: SEED DISPERSAL

SEED DISPERSAL

- Traveling to survive

Page 2: SEED DISPERSAL

SOME ARE

Page 3: SEED DISPERSAL

DREAMING OF WIND

COTTON

Page 4: SEED DISPERSAL

MAPLE

Page 5: SEED DISPERSAL

SPIRALLING ITS WAY DOWN…

Page 6: SEED DISPERSAL

DANDELION

Page 7: SEED DISPERSAL

ON FEATHERY WINGS…..

Page 8: SEED DISPERSAL

A PARACHUTE

RAGWORT Feathery hairs help the

seed to float on the wind.

Page 9: SEED DISPERSAL

WINGED SPINNERS

SYCAMOREWing-like outgrowths make it spin as it

falls from the parent plant. This spinning delays its fall so that the wind may carry it

some distance away.

Page 10: SEED DISPERSAL

AND SOME ARE

Page 11: SEED DISPERSAL

FLOATING AWAY

COCONUT

Page 12: SEED DISPERSAL

ON A LONG VOYAGE………

.........TO ANOTHER SHORE

Page 13: SEED DISPERSAL

POND IRIS

The seed pods break open when they ripen. Those which fall into the water float away.

Page 14: SEED DISPERSAL

LOTUS SEED

Page 15: SEED DISPERSAL
Page 16: SEED DISPERSAL

WAITING FOR A FREE RIDE

- SPEAR GRASS

Page 17: SEED DISPERSAL

XANTHIUM

THE SPINY BEAUTY

Page 18: SEED DISPERSAL

DEVIL’S CLAW

Page 19: SEED DISPERSAL

BURDOCK

Page 20: SEED DISPERSAL

BURR

Page 21: SEED DISPERSAL

OFFERING THEMSELVES TO ANIMALS

BERRIES They are eaten by birds, mice, deer and even foxes.The seeds are expelled in the

droppings of the animal.

Page 22: SEED DISPERSAL
Page 23: SEED DISPERSAL

EXPLOSIVE DISPERSAL

PEAS They produce seed pods which dry in the sun and

explode

Page 24: SEED DISPERSAL

RUPTURED SEED PODS

Page 25: SEED DISPERSAL

THE 'PEPPER-POT'

RED CAMPIONThe containers are shaken by the

wind, scattering the seeds through the openings

Page 26: SEED DISPERSAL

GORSE

FIRING LIKE A GUN

Page 27: SEED DISPERSAL

BALSAM

Page 28: SEED DISPERSAL

STAGES OF GERMINATION

Page 29: SEED DISPERSAL
Page 30: SEED DISPERSAL
Page 31: SEED DISPERSAL

THANKS


Top Related