Evolutionary innovation in sponges.
What are specialized cells?
Platyhelminthes means...
What is flatworm?
Evolutionary innovation in phylum Mollusca.
What is a mantle that secretes a hard shell?
Evolutionary innovation in Annelida.
What is a true coelom and segmentation?
How sponges eat.
What is filter feeding?
Evolutionary innovation in flatworms.
What is cephalization (head region)?
Type of circulatory system in Mollusks.
What is open (clams, snails) and closed (squid, octopus).
What are to store food and grind up food?
Evolutionary innovation in Cnidarians are true tissues, these tissues are...
What are endoderm and ectoderm?
Evolutionary innovation in Nematoda.
What is a complete digestive system?
Mollusks are triploblastic, meaning...
What is has endoderm, ectoderm, and mesoderm?
Annelids are the first group of animals to have this type of circulatory system.
What is a closed system?

Cnidarians exchange gases through their tissues by...
What is diffusion?
Roundworms have a nerve ring and how many nerve cords.
What is 4 (2 lateral, one ventral, and one dorsal).
Method in which mollusks move.
What is a siphon or muscular foot?
Function of nephridia.
What is to remove liquid waste and filter blood?
What is through their mouth?
Main type of reproduction in roundworms.
What is dioecious (separate sexes)?
Class of mollusks that show intelligence.
What is Cephalopoda?
Characteristics that make an animal, an animal.
What are multicellular, reproduce, blastula development, heterotrophic, eukaryotic, mobile, nervous system, or specialized cells?