chapter 3 organisms and their classification.ppt

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3.1 Organisms And Their Classification Topic 2 Topic 2 Biodiversity Biodiversity ITeach – Science Form 2

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Page 1: Chapter 3 Organisms And Their Classification.ppt

3.1 Organisms And Their Classification

Topic 2 BiodiversityTopic 2 BiodiversityTopic 2 BiodiversityTopic 2 Biodiversity

ITeach – Science Form 2

Page 2: Chapter 3 Organisms And Their Classification.ppt

ITeach – Science Form 2

Organisms And Their ClassificationTopic 3 Biodiversity

Biodiversity• Wide variety of organisms on earth.

• All living things are known as organisms.• All living things are known as organisms.

• Around 10 to 100 million kinds of organisms on earth.• Around 10 to 100 million kinds of organisms on earth.

• Due to many different kinds of climate and habitat.• Due to many different kinds of climate and habitat.

Example

Habitat Biodiversity

Lakes / Ponds Fish, Amoeba, prawns

Soil Earthworms, ants, scorpians

Deserts Camels, cactus, lizards

Forest Tigers, monkey, Rafflesia

Page 3: Chapter 3 Organisms And Their Classification.ppt

ITeach – Sains Tingkatan 2

Organisma Dan PengelasannyaTopik 3 Biodiversiti

Biodiversiti• Pelbagai jenis organisma di Bumi.

• Semua benda hidup dikenali sebagai organisma.• Semua benda hidup dikenali sebagai organisma.

• Terdapat 10 hingga 100 juta organisma di Bumi.• Terdapat 10 hingga 100 juta organisma di Bumi.

• Wujud disebabkan pelbagai jenis iklim dan habitat.• Wujud disebabkan pelbagai jenis iklim dan habitat.

Contoh

Habitat Biodiversiti

Tasik / Kolam Ikan, Ameba, Udang

TanahCacing tanah, Semut, Kala jengking

Gurun Unta, Kaktus, cicak

Hutan Harimau, Monyet, Rafflesia

Page 4: Chapter 3 Organisms And Their Classification.ppt

ITeach – Science Form 2

Organisms And Their Classification

AnimalsAnimals

Organisms

PlantsPlants

VertebratesVertebrates InvertebratesInvertebratesFloweringFlowering Non-floweringNon-flowering

Fish

Amphibians

Reptiles

Birds

Mammals

With jointed legs

Without jointed legs

3 pairs of legs

4 pairs of legs

More than 4 pairs of legs

Worm-like

Not worm-like

Monocotyledon

Dicotyledon

With seed

Without seed

Conifers Mosses

Algae

Ferns

Topic 3 Biodiversity

with Backbones

(10%)

with Backbones

(10%)

without Backbones

(90%)

without Backbones

(90%)

Page 5: Chapter 3 Organisms And Their Classification.ppt

ITeach – Sains Tingkatan 2

Organisma Dan Pengelasannya

HaiwanHaiwan

Organisma

TumbuhanTumbuhan

VertebrataVertebrata InvertebrataInvertebrataBerbungaBerbunga Tidak

berbungaTidak

berbunga

Ikan

Amfibia

Reptilia

Burung

Mamalia

Kaki bersendi

Tanpa kaki

bersendi3 pasang

kaki

4 pasang kaki

Lebih daripada 4 pasang kaki

Seperti cacing

Tidak seperti cacing

Monokotiledon

Dikotiledon

BerbijiTanpa

biji

Konifer Lumut

Alga

Paku-pakis

Topik 3 Biodiversiti

Bertulang belakang

(10%)

Bertulang belakang

(10%)

Tanpa tulang belakang

(90%)

Tanpa tulang belakang

(90%)

Page 6: Chapter 3 Organisms And Their Classification.ppt

ITeach – Science Form 2

Organisms And Their ClassificationTopic 3 Biodiversity

Classification Of Animals

Fish Amphibions Reptiles Birds Mammals

Water Land and waterLand and

waterLand

Land expect wahales and

dolphinsHabitat

Slimy scalesLand and

watermoist skinScaly skin Feathers Hair / fur

Body covered

Lay eggs (without shell)

Lay eggs (without shell)

Lay eggs (with shells)

Lay eggs (with shells)

Give birth to young

Reproduction

Cold blooded Cold blooded Cold bloodedWarm

bloodedWarm bloodedBlood type

External External Internal Internal InternalFertilisation

Have fin, tails -Have sharp

teeth

Have toothless

beak

Females have mammary

glandsOthers

Goldfish ToadTortoise,

snakeParrot, pigeon

Orang utan, elephant

Example

Page 7: Chapter 3 Organisms And Their Classification.ppt

ITeach – Sains Tingkatan 2

Organisma Dan PengelasannyaTopik 3 Biodiversiti

Pengelasan Haiwan

Ikan Amfibia Reptilia Burung Mamalia

Air Darat dan air Darat dan air DaratDarat kecuali ikan paus dan lumba-lumba

Habitat

Sisik berlendir

Kulit lembap Kulit bersisikBulu

pelepahRambut atau

buluBadan diliputi

Bertelur (tanpa

cengkerang)

Bertelur (tanpa

cengkerang)

Bertelur (dengan

cengkerang)

Bertelur (dengan

cengkerang)

Melahirkan anak

Pembiakan

Berdarah sejuk

Berdarah sejukBerdarah

sejukBerdarah

panasBerdarah

panasJenis darah

Luar Luar Dalam Dalam DalamPersenyawaan

Ada sirip, ekor

- Gigi tajamParuh tanpa

gigiBetina ada

kelenjar susuLain-lain

Ikan emas KatakKura-kura,

ularBurung nuri,

merpatiOrang utan,

gajahContoh

Page 8: Chapter 3 Organisms And Their Classification.ppt

ITeach – Science Form 2

Organisms And Their ClassificationTopic 3 Biodiversity

Invertebrates With Jointed LegsInvertebrates With Jointed Legs

3 pairs of legs

4 pairs of legs

More than 4

pairs of legs

ExampleFly,

beetle, cricket

Scorpion, spider

Centipede, prawn,

crab

Invertebrates Without Jointed LegsInvertebrates Without Jointed Legs

Worm-like Not worm-like

ExampleEarthworm,Flatworm

Starfish, Snail,jellyfish

InvertebratesInvertebrates

Page 9: Chapter 3 Organisms And Their Classification.ppt

ITeach – Sains Tingkatan 2

Organisma Dan PengelasannyaTopik 3 Biodiversiti

Invertebrata Dengan Kaki BersendiInvertebrata Dengan Kaki Bersendi

3 pasang kaki

4 pasang kaki

Lebih daripada 4 pasang

kaki

ContohLalat,

kumbang, cengkerik

Kala jengking,

labah-labah

Lipan, udang, ketam

Invertebrata Tanpa Kaki BersendiInvertebrata Tanpa Kaki Bersendi

Seperti cacingTidak seperti

cacing

ContohCacing tanah, cacing pipih

Tapak sulaiman, siput, ubur-ubur

InvertebrataInvertebrata

Page 10: Chapter 3 Organisms And Their Classification.ppt

Parallel veins

Dicotyledons

Veins

Network veins

Monocotyledons

Fibrous root

Dicotyledons

Roots

Tap roots

Monocotyledons

Scattered bundles

Dicotyledons

Bundles

Circled bundles

Monocotyledons

Non-woody stems

Dicotyledons

Stems

Woody stems

Monocotyledons

• Herbaceous plants

- maize

- banana

Dicotyledons

Example

• Trees, shrubs

- papaya

- balsam

Monocotyledons

One

Dicotyledons

Number of cotyledon

Two

MonocotyledonsMonocotyledons

ITeach – Science Form 2

Organisms And Their ClassificationTopic 3 Biodiversity

Flowering Plants

OneNumber of cotyledon

Monocotyledon

Two

Dicotyledon

Paralled veinsVeins Network veins

Fibrous rootsRoots Tap roots

Scattered bundlesBundles Circled bundles

Non-woody stemsStems Woody stems• Herbaceous plants

- maize

- banana

Example • Trees, shrubs

- papaya

- balsam

Page 11: Chapter 3 Organisms And Their Classification.ppt

Akar serabut

Dikotiledon

Akar tunjang

Monokotiledon

Berkas

Berkas berselerak

Dikotiledon

Berkas dalam bulatan

Monokotiledon

Batang

Batang lembut

Dikotiledon

Batang berkayu

Monokotiledon

Contoh

• Pokok herba

- jagung

- pisang

Dikotiledon

• Pokok, pokok renek

- betik

- keembung

Monokotiledon

Bilangan kotiledon

Satu

Dikotiledon

Dua

Monokotiledon

ITeach – Science Form 2

Organisma Dan PengelasannyaTopik 3 Biodiversiti

Tumbuhan Berbunga

Monokotiledon

Urat selari

Dikotiledon

Urat

Urat jejala

Monokotiledon

Akar

SatuBilangan kotiledon

Monokotiledon

Dua

Dikotiledon

Urat selariUrat Urat jejala

Akar serabutAkar Akar tunjang

Berkas berselerakBerkas Berkas dalam bulatan

BatanglembutBatang Batang berkayu• Pokok herba

- jagung

- pisang

Contoh• Pokok, pokok renek

- betik

- keembung

Page 12: Chapter 3 Organisms And Their Classification.ppt

ITeach – Science Form 2

Organisms And Their ClassificationTopic 3 Biodiversity

Non-Flowering PlantsNon-Flowering Plants

ConifersConifers

Have true roots, stems

Reproduced by seeds

Example- pine

- casuarina

FernsFerns MossesMosses AlgaeAlgae

StemStem

LeavesLeaves

RootsRoots

NO

NO

NONO

HabitatHabitatMoist and

shady places on land

Moist and shady places

on land

Moist and shady places

on land

Moist and shady places

on land

Water and moist places

on land

Water and moist places

on land

Reproduce by

Reproduce by sporespore sporespore binary fissionbinary fission

ExampleExample LeafLeaf Moss, liverworth

Moss, liverworth

Spirogyra, sea algaeSpirogyra, sea algae

With SeedsWith Seeds Without SeedsWithout Seeds

Spore capsule

Spore capsule

Page 13: Chapter 3 Organisms And Their Classification.ppt

ITeach – Sains Tingkatan 2

Organisma Dan PengelasannyaTopik 3 Biodiversiti

Tumbuhan Tidak Berbunga

Tumbuhan Tidak Berbunga

KoniferKonifer

Mempunyai akar dan batang sebenarMembiak melalui biji benih dalam kon

Paku-pakisPaku-pakis LumutLumut AlgaAlga

BatangBatang

DaunDaun

AkarAkar

NO

NO

NONO

HabitatHabitat Lembap dan redup di daratLembap dan

redup di darat

Lembap dan redup di

darat

Lembap dan redup di

darat

Barair dan lembap di

darat

Barair dan lembap di

darat

Membiakmelalui

Membiakmelalui SporaSpora SporaSpora Belahan

deduaBelahan dedua

ContohContoh Pakis tandukrusa

Pakis tandukrusa

Lumut, lumut hati

Lumut, lumut hati

Spirogira, alga laut

Spirogira, alga laut

BerbijiBerbiji Tanpa bijiTanpa biji

Kapsul spora

Kapsul spora

Contoh- pokok pain

- pokok ru

Page 14: Chapter 3 Organisms And Their Classification.ppt

ITeach – Science Form 2

Topic 3 Biodiversity

Source of air

Source of clean water

Source of food

Source of material

Source of medicine

Importance of

Biodiversity

Organisms And Their Classification

Page 15: Chapter 3 Organisms And Their Classification.ppt

ITeach – Sains Tingkatan 2

Topik 3 Biodiversiti

Sumber udara

Sumber air bersih

Sumber makanan

Sumber bahan

Sumber ubat

Kepentingan Biodiversiti

Organisma Dan Pengelasannya

Page 16: Chapter 3 Organisms And Their Classification.ppt

ITeach – Science Form 2

Topic 3 Biodiversity

Organisms And Their Classification

Maintaining Biodiversity

Conduct campaigns to create awareness

Enforce laws and legislation

Establish natural reserves

Exploit resources wisely

Page 17: Chapter 3 Organisms And Their Classification.ppt

ITeach – Sains Tingkatan 2

Topik 3 Biodiversiti

Organisma Dan Pengelasannya

Mengekalkan Biodiversiti

Menganjurkan kempen kesedaran

Menguatkuasakan undang-undang

Mewujudkan hutan simpan

Menggunakan sumber semulajadi

dengan betul

Page 18: Chapter 3 Organisms And Their Classification.ppt

The End

i - Teach