Reptiles, Amphibians and fish ppt

Reptiles!

Characteristics of Reptiles

• Reproduction– Most reptiles are oviparous – They lay their eggs on land

– Baby reptiles look like adult reptiles when they hatch

Characteristics of Reptiles

• Nutrition– Most reptiles are carnivores

– Some are omnivores– They eat plants, insects

and small animals

Characteristics of Reptiles

• Respiration– They breathe with their lungs

Physical Characteristics

• Most have four limbs…– But some have no limbs

• They have scales that cover and protect their body

Amphibians

Amphibians• Reproduction

– Amphibians are oviparous. They lay their eggs in water

– Baby amphibians live and grow in the water

Reproduction continued• Baby amphibians do not look like adult

ones

• Baby amphibians change through metamorphosis and grow into adults

Amphibians

• Nutrition– Most amphibians are carnivores– They eat small vertebrates and

invertebrates, such as mice and worms

Amphibians

• Respiration– Baby amphibians breathe with their gills

– Adults breathe with their lungs and through their skin

Amphibians

• Physical Characteristics– Most amphibians have four limbs. – They all have moist skin.

Examples of amphibians

• Newt

• Salamander

FrogFrog

ToadToad

Fish

Fish

• Reproduction– Most fish are oviparous

– Some fish keep their eggs in their mouths until they hatch

(Reproduction continued..)

• Sharks are viviparous and give birth to live babies

Fish

• Nutrition– Fish can be carnivores, omnivores or

herbivores

Fish

• Respiration– Fish breathe with their gills

Fish

• Physical Characteristics– Fish have fins and a tail which help them move

– Their skin is covered in scales which protect their body

Different Types of Fish

• Ray

• Eel

• Seahorse