Classification of animals

They are classified in four differents groups:

According their ability of moving: Bipeds and Quadrupeds.

Bipedalism:
Is a form of terrestrial locomotion where an organism moves by means of its two legs. An animal or machine that ususally moves in a bipedal manner is known as a biped.


Quadrupelism:
Is a form of land animal locomotion using four legs. An animal or machine that usually moves in a quadrupedal manner is know as a quadruped, meaning "four feet".

BIPEDS

    

Duck

Ostrich

Hen

Turkey

QUADRUPEDS

Horse

Cow

Dog

Cat







According their body internal structure: Vertebrates and Invertebrates.

Vertebrates:
Are members of the subphylum vertebra, chordates with backbones and spinal columns.

Invertebrate:
Is an animal without a backbone.

VERTEBRATES

Kangaroo

Gorilla

Rhino

Camel

INVERTEBRATES

Worm

Butterfly

Spider

Flea








According their habitat: Terrestrial and Aquatic.

Terrestrial: Is an animal that lives on land opposed to living in water, or sometimes an animal that lives on or near the ground, as opposed to in tress etc.

Aquatic: Is an animal, either vertebrate or invertabrate, wich lives for most or all of its live.

TERRESTRIAL

Mouse

Bull

Gazelle

Elephant

AQUATIC

Seal

Whale

Shark

Dolphin





According their feeding: Herbivores and Carnivores

Herbivores:
are organisms that eat plants.

Carnivores: 
Animals that depend solely on animal flesh for their nutrient requierements are considered obligate carnivores while those that also consume non-animal food considered facultative carnivores.

HERBIVORES

Rabbit

Giraffe

Sheep

Ox

CARNIVORES

Lion

Hyena

Wolf

Crocodile