Animals

ANIMALS

We can find two types of animals:

-Vertebrate animals.

-Invertebrate animals.

The vertebrate animals have an skeleton.

MAMMALS

-They are terrestrial or aquatics.

THE WHALE IS AQUATIC

THE ELEPHANT IS TERRESTRIAL

- They take oxygen by its lungs.-They breastfeed its children with milk.- Its skin is covered by fur.

- The majority of them have four legs and they move by land. Nevertheless, some of them use other ways of moving. Some examples:

PIG

HORSE SHEEP

COW

- The aquatic mammals like the seals, the whales o the dolphins swim by fins.

SEAL

WHALE DOLPHIN

- Bats fly through its previous extrimities which are fins.

BAT

Diet:

The mammals can be carnivores, herbivores or omnivores.

The carnivores eat meat. Some examples of these animals are the lion or the bear.

LION BEAR

The herbivores eat plants. Some examples of these animals are the rabbits or the giraffes.

GIRAFFE RABBIT

The omnivores eat both plants and animals. Some examples of these animals are the brown bear or the wild boar.

BROWN BEAR

WILD BOAR

FISHES

Fishes are a numerous group of vertebrate animals.

They have some characteristics:

- They live in the water.

- They breathe the oxygen which is in the water by the gills.

- Its children born of eggs.

- Its extremities are fins.

- Its skin is covered of flakes.

TAIL

EYE

FIN

GILL

FLAKE

AMPHIBIANS

When they born, the amphibians are called tadpoles and the live in the water. When they grow up, they change into adults animals and the live on the land.

They have some characteristics:

-The tadpoles breathe by its gills and the adults breathe by its lungs.- They born of eggs which the adults put in the water.-The tadpoles move with a fin and the adults move with its legs.- They have their fur naked.

TADPOLE AMPHIBIAN

REPTILESThe Reptiles are terrestrial animals although some of them need water and a damp environment to survive.

They breathe by the lungs.

They born by eggs which they put on land.

Most of them have four legs. There are exceptions like the snake which it doesn’t have legs and it drags and the sea tortoise which has fins.

They have its skin covered of flakes. Apart from this, the tortoises have a shell.

BIRDS

They are terrestrial animals.

They breathe by the lungs.

They born by eggs which they put on land. (nest)

They have two legs and two wings which help them to fly.

They have its skin covered of feathers.

The ostrichs and the penguins can’t fly.

OSTRICH

PENGUIN

The invertebrate animals are the animals which don’t have an skeleton made of bones. All of them born of bones.

We can distinguish:

•Worms which are invertebrate animals with a tender and elongated body and they don’t have legs.

Some examples of these animals are: The earthworm, the sea worm and the intestine worm.

EARTHWORM

SEA WORM

INTESTINE WORM

Some worms produce serious ilnesses on the people.

* Mollusks which are invertebrates and they have a soft body. The majority of them have one o two shells which protect their bodies.

•Almost every mollusk are sea mollusks. Some examples of these animals are:

- The clam

-The mussel

The scallop

- The octopus

- The squid

•The insects and its importance:

-They are borned from eggs.

- Their bodies are divided in three parts: hair, thorax and abdomen.

- They have two antennas on their hairs and six legs in the thorax. Apart from this, the majority of them have four wings.

ANTENNA

LEG

THORAX

WING

ABDOMEN

- The insects which have just come out of the egg have a worm aspect and they receive the name of larvas.

- The transformation that they suffer to adults is named metamorphosis.

EGG LARVA ADULT

METAMORPHOSIS

1. How many types of animals can we find?

a) 1b) 5c) 2

2. What are the two types of animals that we can find?

b) Wild animals and monsters.b) Vertebrate and invertebrate animals.c) Dinosaurs and koalas.

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3. What of the following groups of animals are mammal animals?

a) Whales, elephants and dogs.b) Tadpoles, snakes and tortoises.b) Penguins, ostrichs and earthworms.

- 4. According to the mammals diet, in which groups can be classify them?

a) fishes, amphibians and reptiles.b) Carnivores, herbivores and omnivores.c) Birds, worms and insects.

- 5. What food eat the carnivores?

d) Meate) Fishf) Plants

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6. Where do the fishes live?

a) In the water.b) On land.c) In the water and on land.

7. How their children are borned?

d) They are borned from its tummy.e) They are borned fromg eggs.f) They are borned from its tail.

8. What its skin is covered of?

g) Finsh) Flakesi) Gills

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9. How the amphibians are called when they are borned?

a) Adultsb) Tadpolesc) Reptiles

10 Where do the amphibians live?

d) In the watere) On landf) In the water and on land

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11. How the reptiles breathe?

a) They breathe by the lungs.b) They breathe by the gills.

12. Which reptiles don’t have legs?

c) The snake and the tortoise.d) The dog and the pig.

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13. Birds are terrestrial or aquatic animals?

a) Terrestrialb) Aquatic

14. How many legs and how many wings do birds have?

c) 1d) 2

15. What birds can’t fly?

e) The ostrich and the penguin.f) The goldfinch and the budgie.

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16. Which of the following groups of animals are worm animals?

a) The intestine worm, the earthworm and the sea worm.b) The clam, the mussel and the scallop.c) The whale, the dog and the snake.

17. Which of the following groups of animals are mollusks animals?

d) The pig, the sheep and the dog.e) The intestine worm, the earthworm and the sea worm.f) The clam, the mussel and the scallop.

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18. The bodies of the insects are divided in three parts. What are these parts?

a) Hair, thorax and abdomen.b) Antenna, thorax and wings.

19. How many legs do the insects have?

c) 2d) 4

20. What is the name of the transformation they suffer into adults?

e) Metamorphosisf) Larva

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