invertebrates
Post on 08-Dec-2014
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By Jesús
INVERTEBRATESINVERTEBRATES
They haven’t got a spinal colum or an internal skeleton.
Invertebrate
Vertebrate
Invertebrate have got different body covering Invertebrate have got different body covering : hard shell, exoskeleton and body without : hard shell, exoskeleton and body without protection.protection.
Characteristics: Rigid body covering ,or exoeskeleton. Jointed parts Jointed legs.
The most important groups ofarthropods are:
Insects
Arachnids Crustaceous
Myriapods
Characteristics : Soft body Hard shell Muscular foot
Sponges:
Live in the ocean, they are carnivores. They have tentecles.
Jellyfish and polyps:
Characteristics: They live in the
ocean. They have got
many tiny feet with suction cups.
ECHINODERMS
Characteristics: They are worm with
long, soft bodies. Their body is
divided into many rings or segment
ANNELIDS
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