Living things have a variety of external features

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Today in this lesson we will learn the external features of living things.
Living things are those that can live, breathe, walk, talk just like you.

Living things are divided into two main groups. Animals and Plants.
Furthermore the classification of plants by the scientist have been done in two main groups.
Vertebrates: those animals which have a backbone. And
Invertebrates: Animals without a backbone.

Animals with a backbone can be divided into five more groups.
Mammals,, Amphibians, Reptiles, Birds and Fish.
These all are vertebrates.

Invertebrates are another kind of animal. Those who do not have a backbone. They can be crushed easily.
For example butterfly, jellyfish, octopus, spider, and all those animals with tentacles.

Vertebrates are those animals that have a backbone.
Vertebrates have backbone. There is a proper skeleton that is absent in invertebrates.

Mammals give birth to their young ones.
They feed their babies with their own milk.
They are more or less covered with hair.
Mammals are warm blooded. Warm blooded animals are those that can make their own body heat even when it is cold outside.

Amphibians are unique animals.
They are cold blooded although they lay eggs.
They have a smooth moist skin.
They are able to live in water as well as in land.

Reptiles are cold blooded animals. Cold blooded animals are those whose body temperature varies with that of the environment.
They lay eggs.
They have a dry skin covered with scales.

Another kind of vertebrate is birds.
Birds have feathers, they lay eggs and are warm blooded.

Fishes are cold blooded.
They lay eggs but some of them also do give birth to their young ones.
They have a moist skin which is covered with scales.
And they do not have nostrils to breaths, instead they breaths through gills.

Well, after knowing the features, lets do small exercise of recognizing the mammal, the bird, the fish. Amphibian and the reptile with the help of their pictures.

What do you think am I ?
I am a mammal. My body is warm and furry. I feed my babies on milk. I give birth.

Well ! Who do you think is this ?
Is it a mammal , a bird , a fish , an amphibian or a reptile?
I am a mammal . My body is covered in hair, or fur. I feed my babies on milk. I give birth.


What do You think who am I ? Am I an amphibian or a mammal or reptile ?
I am an amphibian. My body is moist and smooth. I lay eggs. I like to live in or near water but I can also live on land.

What do You think who am I ? Am I an amphibian or a mammal or reptile ?
I am an amphibian. My body is moist and smooth. I lay eggs. I like to live in or near water but I can also live on land.

Well I think you know me . Who am I ? A mammal or a bird ? well a fish.. may be a reptile ?
I am a bird. My body is warm covered with feathers. I lay eggs which hatch out into chicks.

You know I can move upside down. Am I a mammal or may be a bird ?
Well ! Although I have wings. I am in fact a mammal. My body is covered in hair , not feathers. I feed my babies on milk I do not lay eggs.

I know you know me. Am I a mammal or a bird or a fish or a reptile ?
I am a mammal . If you stand vey close to me you will notice I have hair on my body. I feed my baby on milk. I do not lay eggs.


I am scary but please tell me who am I ? Am I mammal , a bird , fish or a reptile ?
I am a reptile. My body is covered in dry scales. I lay eggs.

What am I ? Am I mammal , a bird , fish or a reptile ?
I am a bird. My body is warm and covered with feathers. I lay eggs which hatch out into chicks.

I know you know me.
I am a fish . My body is cold to touch and in covered in scales. I lay eggs. I use gills to breath under water.

Well I am slow but please tell me who am I ? ? Am I mammal , a bird , fish or a reptile ?
I am reptile . My body is covered in dry scales. I lay eggs.

Guess who am I ? ? Am I mammal , a bird or a reptile ?
I am an amphibian. My body is moist and smooth. I lay eggs.

Recognize me. Please ? Am I mammal or an amphibian or a reptile ? Not a fish.
I am a mammal. My body is warm and furry. I feed my babies on milk. I give birth.

Who am I ? Please recognize. ? Am I mammal , a bird , fish or a reptile ?
I am a reptile. My body is covered in dry scales. I lay eggs.

Who am I ? Am I a fish ?
Yes ! I am a fish . My body is cold to touch and is covered in scales. I lay eggs. I use gills to breath under water.

Thank you !