arthropods molluscs cnidarians annelids echinoderms · colegio bilingüe la asunción natural...
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Colegio Bilingüe La Asunción Natural Science 3º prim. Unit 6 INVERTEBRATES
Estefanía López Santos 1
ARTHROPODS
MOLLUSCS
CNIDARIANS
ANNELIDS
ECHINODERMS
Invertebrates Unit 6 Invertebrates
Natural Science Primary 3
Colegio Bilingüe La Asunción
Colegio Bilingüe La Asunción Natural Science 3º prim. Unit 6 INVERTEBRATES
Estefanía López Santos 2
Crab
Butterfly Grasshopper Bee
Spider Fly Centipede
Ant
They have an exoskeleton body.
They have jointed legs.
It is the most diverse group.
They live in water and on land.
Arthropods
Colegio Bilingüe La Asunción Natural Science 3º prim. Unit 6 INVERTEBRATES
Estefanía López Santos 3
Snail
Clams Octopus Mussels Squid
Slug
They have soft bodies.
Some have a protective shell.
They live in water and on land.
Molluscs
Colegio Bilingüe La Asunción Natural Science 3º prim. Unit 6 INVERTEBRATES
Estefanía López Santos 4
Jellyfish
Sea anemone Sea anemone Coral Coral
Sponge
Their bodies are polyp or sack shaped.
They have a hole to digest their food.
Some of them have tentacles.
They live in water, and most, in the sea.
Cnidarians
Colegio Bilingüe La Asunción Natural Science 3º prim. Unit 6 INVERTEBRATES
Estefanía López Santos 5
Leeches Earthworm
Most worms are annelids.
Their bodies are soft, long and cylindrical which are divided into rings.
Millipede and centipede aren´t annelids.
They live in water or in moist soil.
Annelids
Colegio Bilingüe La Asunción Natural Science 3º prim. Unit 6 INVERTEBRATES
Estefanía López Santos 6
Starfish Sea cucumber Sea urchin
They are protected by an external skeleton.
They live among rocks or sand.
They move slowly
They live in water.
Echinoderms