LEEVASHINI

Survival of plants
NAME:LEEVASHINI A/P THIARAJAN

AGE:11
SCHOOL NAME:SJKT LADAND BIDOR TAHAN

TOPIC:SURVIVAL OF PLANTS
YEAR:5

1.PLANTSSUARLVSIOVANLEEODF TPOLAENNTSSURE THE
SURVIVAL OF THEIR SPECIES.

2.WHEN THE FRUIT OF A PLANT IS RIPE,
IT EITHER FALLS OT THE GROUND OR
SPLITS OPEN TO RELEASE THE SEEDS.

3.IF ALL THE MATURE SEEDS FALL
STRAIGHT DOWN AND GERMINATE NEAR
THE PARENT PLANT THE AREA AROUND
THE PARENT PLANT WILL BE CROWDED.
4.THUS THE YOUNG PLANTS WILL HAVE
TO COMPLETE FOR SUNLIGHT AND SPOIL.

DISPERSAL BY WATER

1.PLANTS THAT GROW IN OR NEAR
WATER USALLY DISPERSE THEIR SEEDS
AND FRUITS BY WATER.2.THERIR SEEDS

ARE LIGHT AND HAVE AIR SPACES.

DISPESAL BY EXPLOSIVE MECHANISM

1.SOME PLANTS DISPERSE THEIR SEEDS

BY AN EXPLOSIVE MECHANISM.

2.AS THE PERICARP DRIES,TENSION IS

SET UP IN IT. நநெடுவரிசசை 1

நநெடுவரிசசை 2

3.ON A HOT AND DRY DAY,THE FRIUTநநெடுவரிசசை3

SPLITS OPEN SUDDENLY,SCATTERING

515 THE SEEDS FAR AWAY FROM THE

OUT10

0 PARENT PLANTS.

4.THIS IS SOMETIMES FOLLOWED BY A

LOUD NOISE.

THE IMPORTANCE OF THE SURVIVAL
OF THE SPECIES

1.THE SURVIVAL OF ANIMALS AND PLANTS
ARE IMPORTANCE TO MAINTAIN THE
SPECIES.

2.IF THE SPECIES OF PLANT BECOME
EXTINCT,THE WORLD MAY FACE A
SHORTAGE OF FOOD.

3.THIS IS BACAUSE PLANTS ARE THE
MAIN SOURCES OF FOOD TO THE ANIMALS.

4