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ANIMALS (Characteristics (Internal parts (organs) (Form sistems (Carry out…
ANIMALS
Characteristics
Eat other living things
Nearly all can move
Internal parts (organs)
Form sistems
Carry out vital functions
Invertebrates
Do not have internal skeleton
Oviparous
Classification
Worms
Their body is made up rings
Live
Ground
Sea
Jellyfish
They have poisonous tentacles
Mollusc
Terrestrial
Aquatic
Mollusc with one shell
Mollusc with internal shell
Molucs with two shells
Echinoderms
Starfish and sea urchins
They have many small feet
Sponges
LIve at the bottom of the sea fixed to the ground
Their body is full of holes
Pores enter food and water
Arthropods
Insects
Their body is divided into three parts.
Abdomen
Head
Thorax
They Are the largest group of athropods
Six legs and may have wings
Crustaceans
Ten legs
Their body is divided into two parts
Cephalothorax
Abdomen
They have two antennae and don't have wings
Arachnids
Eight legs
Their body is divided in two parts.
Abdomen
Cephalothorax
Don't have antennae or wings
External skeleton that protect their body
Classification
According to the type of food they eat
Carnivore
Omnivore
Herbivore
According how they reproduce
Oviparous
Lay eggs
Viviparous
Give birth to their young