Nota Science Bab 3 : Biodiversity

Oleh : Hanani Radzi

. Most reptiles live on land2. Cold-blooded(Poikilothermic)3. Body covered withdry and hard scales4. Breathe throughlungs.Reptiles

5. Lay eggs and the eggs arefertilised internally.

ive on land2. Warm-blooded(Homoiothermic)3. Body covered withfeathers4. Havebeakand scaly legs5. Breathe throughlungs

Birds

6. Lay eggs and the eggs arefertilised internally

 

1. Most mammals live on land (whales and dolphins live inthe sea)2. Warm-blooded(Homoiothermic)3. Body covered withhair or fur4. Breathe throughlungs

Mammals

 

3.2 Classification of Living Organisms

AnimalVertebratesInveterateOrganismsPlantFloweringNon-flowing

 

1. More than 90% of the world's animal species consistof invertebrates.2. Vertebratesare animals with backbones whereasinvertebratesare animals without backbones.Vertebrate and Invertebrates Animals

 

Invertebrates AnimalsAnimals without backbones

 

1. Live in water2. Cold-blooded(Poikilothermic)3. Body covered withscales4. Breathe throughgills5. Usually lay eggs and the eggs arefertilised externally

Fish

 

6. Move or swim using fins .

 

1. Live onland and in the water.2. Cold-blooded(Poikilothermic)3. Havemoist skinwithout scales or hair4. Breathe throughlungsand moist skin

Amphibians

.

Mexicansalamander

 

1. Most reptiles live on land2. Cold-blooded(Poikilothermic)3. Body covered withdry and hard scales4. Breathe throughlungs.Reptiles5. Lay eggs and the eggs arefertilised internally.

 

1. Live on land2. Warm-blooded(Homoiothermic)3. Body covered withfeathers4. Havebeakand scaly legs5. Breathe throughlungs

Birds

6. Lay eggs and the eggs arefertilised internally