Animal Classification Chart - Invertebrates
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Invertebrates (without backbone)
Annelid worms
two body openings • simple nervous • system •
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Arthropod jointed legs
jointed legs more than one body section • exoskeleton • •
Cnidaria stinging cells
Echinoderm spiny-skinned
tentacles with stinging cells • one body opening • live in water
• •
•
bodies in 5 parts covered in spikes or spines • external skeleton made of lime
Page 1 of 1
Mollusk soft bodied
soft-bodied with external or internal shells • have a foot or tentacles • most have shells •
Porifera sponges
no body openings • no muscles, nerves or organs • live in water •
Animal Classification Chart - Vertebrates
Annelid worms
two body openings • simple nervous • system •
© TheTeachersDesk.info All Rights Reserved
Arthropod jointed legs
jointed legs more than one body section • exoskeleton • •
Cnidaria stinging cells
Echinoderm spiny-skinned
tentacles with stinging cells • one body opening • live in water
• •
•
bodies in 5 parts covered in spikes or spines • external skeleton made of lime
Page 1 of 1
Mollusk soft bodied
soft-bodied with external or internal shells • have a foot or tentacles • most have shells •
Porifera sponges
no body openings • no muscles, nerves or organs • live in water •
Animal Classification Chart - Vertebrates
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