Simple Invertebrates

I am an upside down jellyfish.

• coral

• sponge

• flatworm

• roundworm

I have no openings and do not move.

• coral

• sponge

• flatworm

• roundworm

I have a mouth, eyes, and a very simple digestive system. I am typically parasitic and am very dangerous in my larval stage.

• sponge

• coral

• flatworm

• roundworm

Most dogs have me at some time in their life. I have a mouth and an anus.

• sponge

• coral

• flatworm

• roundworm

sponges are in this family

• porifera

• cnidaria

• platyhelminthes

• nematoda

coral and jellyfish are a part of this phylum

• porifera

• cnidaria

• platyhelminthes

• nematoda

I can always sting but it may or may not hurt

• porifera

• cnidaria

• platyhelminthes

• nematoda

Turtles like to eat me.

• porifera

• cnidaria

• platyhelminthes

• nematoda

Man-of-War is an example of a

• porifera

• cnidaria

• platyhelminthes

• nematoda

I have collar cells that create water flow throughout me.

• sponges

• jellyfish

• flatworms

• roundworms