97 % of the animal kingdom is made up of invertebrates.

Invertebrates are animals that do not have backbones.They can be found

everywhere.Some invertebrates have an

exoskeleton or a shell to protect their bodies, but some invertebrates just have a soft body.

They have joined legs.

They have exoskeletons to protect their body.

They have two or more segments (body parts).

Largest group of arthropods.

3 pairs of legs.3 main body part sections.2 pairs of eyes2 antennae.They have mouths.

Spiders, mites and ticks.4 pairs of legsTheir body is divided into

two parts: head and abdomen

Most live on land.Some live in fresh water.They spin silk to make

traps for prey. (spider web)

SPIDER

MITES(ácaros)

TICKS(garrapatas)

They have five pairs of legs.

They live near or on the ocean floor.

They live on land and in water.

They have antennae.

Many body segments.They live under rocks & dark

places.They have many legs.They protect themselves by

curling up.Millipedes have 4 legs on

each segment.Centipedes have 2 legs on

each segment.

millipede

centipede

They look like plants but they are animals.

Sponges stay fixed in one place. They cannot move.

They have no mouth, stomachs, or other organs

Most live in oceansThey stink a lot

They have tentaclesThey have a mouthSome are poisonous.In warm water corals

can grow and even make islands.

jellyfish

Sea anemonecoral

They have bodies with at least 5 sectionsThey have many feet feet to walk along

the oceanThey use tubes to catch food.

They can grow back parts if they lose them.

Some worms can grow up to 30 METERS in length.

Earthworms have got hairs to help them go through the dirt!!!

Flatworm

Segmented

Roundworms

                                                             

They live on land and in fresh or salt water.

All molluscs have soft muscular boides

Nearly all molluscs have a shell.

Snails have a single shell and a muscular foot.

A clam has two shells joined together.

squid

snail

Octopus

No shell

Snail – 1 shell

Clam – 2 shells

Internal shell