INVERTEBRATE ANIMALS 5th

Invertebrate animals are the ones without ___________________

Choose all the groups of invertebrates:

• Cnidarians

• Reptiles

• Amphibians

• Echinoderms

• Arthropods

Cnidarians are aquatic animals, for example:

• Octopuses or snail

• Jellyfish or anemones

• Earthworms

• Starfish

Jellyfish move through _______________ movements.

• walking

• fixed

• contractions

Annelids have an __________ body.

• Short

• Long

• Elongated

• Soft

Mollusks are classified in three different groups:

• Gastropods

• Myriapods

• Aracnids

• Pelecypods

• Cephalopods

Gastropods have:

• two part shell

• spiral wound

• internal shell

Pelecypods have :

• spiral wound shell

• internal shell

• two part shell

Cephalopods have:

• an internal shell

• two part shell

• spiral wound shell

These animals have ambulacrales feet:

• arthropods

• echinoderms

• annelids

• cnidarians