NS3: UNIT 5: REPTILES, AMPHIBIANS AND FISH

 

UNIT 5: REPTILES. AMPHIBIANS AND FISH

        5.1. Reptiles

        5.2. Amphibians

        5.3. Fish

 

5.1. Reptiles

- Reptiles are vertebrates.

- They live on land and in water.

- They can walk, run, slither and swim.

- Some examples are: lizards, snakes, turtles, crocodiles….

Ø REPRODUCTION.- They are oviparous.

Ø NUTRITION.- They are carnivores and omnivores

Ø RESPIRATION.- They breathe with their lungs.

Ø PHYSICAL CHARACTERISTICS.- They have scales to protect their body.

 

v     Activities

 

1.- Circle the correct answer.

        Reptiles are vertebrates/invertebrates.

2.- Write some examples.

…………………………………………….

3.- What can they do?

………………………………………………….

4.- Choose true or false.

- They are viviparous………………

- They breathe through their lungs………….

- They can fly……………………..

 

5.2. Amphibians

 

- They live on land and in water.

- They can use colour to hide themselves or to frighten predators.

- Some examples are: frogs, toads, newts and salamanders.

Ø REPRODUCTION.- They are oviparous and change through the metamorphosis. 

Ø NUTRITION.-They are carnivores.

Ø RESPIRATION.- Babies breathe with their gills and adults with their lungs and skin.

Ø PHYSICAL CHARACTERISTICS.- They have four limbs and moist skin.

v     Activities

1.- Where do the amphibians live?

…………………………………………………………….

2.- Give me some examples of amphibians.

……………………………………………………………..

3.- How can they use colour?

……………………………………………………………

4.- Write the four main steps of the life cycle of a frog.

5.3. Fish

- They are vertebrates.

- They live in fresh water  or in the sea.

- They move in groups.

- Some examples are: whale, sharks, seahorse….

Ø REPRODUCTION.- They are oviparous ( most of them)and viviparous ( shark and whale)

Ø NUTRITION.- They are carnivores, herbivores and omnivores

Ø RESPIRATION.- They breathe with their gills.

Ø PHYSICAL CHARACTERISTICS.- They have fins and a tail  to swim and scales to protect their body.

 

v     Activities

1.- Write the physical characteristics of a fish.

…………………………………………………………….

2.- Give me some examples of fish.

……………………………………………………………..

3.- How can a fish breathe?

……………………………………………………………