Porifera & Cnidaria

Cnidaria have no head or tail.  The side with the mouth is the _____

__ are the stinging cells.   Inside there is a coiled harpoon-like structure & a toxin

Don't run into these!  They are fingerlike projections surrounding the "mouth" of Cnidaria

Which of the following are part of a sponge's niche or job out in the ocean?

Which type of symmetry organizes body parts around a central axis?

__ are the cells that give Porifera their name; they are the pore cells.

Sponges are anchored to one spot.  This is referred to as being ___

Which of the following is NOT a characteristic ALL Cnidaria have in common

In Cnidaria, the side opposite the "mouth" or opening is the ___

Which form does a jellyfish represent?

Porifera can reproduce ____

Which form of Cnidaria do corals represent?

Porifera are considered ___ b/c they actively feed on particles suspended in water

Organisms in phylum ___ are simplest multicellular animals; no tissues no organs

These organisms are still found within the Animal Kingdom, but are simpler and lack a backbone

Which Phylum does the animal in picture belong

__ is the large opening at the top of the sponge where water exits

__ are the attached and sessile form of Cnidaria (although we saw some move!)

The ___ is the part of the jellyfish that doesn't sting.

__ have a flagella which creates a current and pulls particles towards them. "Feeding" cells