Sponges have no definite body plan, and we refer to them as having this type of symmetry.
What is asymmetry or no symmetry?
The type of symmetry that echinoderms have because their bodies include five sections.
What is radial symmetry?
Jellyfish have this on the top of their bodies. It does not contain nematocysts.
What is a bell?
The name for the cells on an octopus that allow it to change colors.
What is a chromatophore?
What a sea urchin eats.
What is kelp or algae?
These tiny openings on a sponge's surface allow water to flow in, helping it filter food and oxygen.
What are pores or ostia?
This is the name of the body cavity that houses all of a mollusk's organs.
What is a mantle?
This is what the sea cucumber uses as its defense mechanism.
What is expelling all of its guts?