Fill in the Invertebrate Animals table.

Multicellular animals Similarity Differences
Sponges

Coelenterates

Echinoderms

Worms

Mollusks

Arthropods

Multicellular animals, no spine, development begins with a fertilized egg Attached to the bottom of the sea, the outlet is the mouth

At the front end of the body is a mouth opening with tentacles

Bottom-moving animals

An elongated body without skeletal formations

The body has a fold – mantle, some have a shell

The body is segmented, covered with hard cuticle

 

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