Development & Body Plan
Having two layers of tissue as an embryo
What is diploblastic?
Common name of Phylum Porifera
What are sponges?
Name of the clade that lophotrochozoans share with ecdysozoans.
What are protostomes?
Name of the outer protective covering on the body that is molted periodically.
What is a cuticle?
Location of the chordate nerve cord.
What is dorsal?
Cell division in early embryo where cells divide evenly and stack directly on top of each other
What is radial cleavage?
Phylum that contains jellyfish, corals, and sea anemones
What is Phylum Cnidaria?
Larval stage that most of this clade has.
What is a trochophore?
Common name of microscopic animals that walk on legs and live in temporarily damp places. They can dry out and go dormant.
What are water bears (or tardigrades)?
Common name of Subphylum Cephalochordata, the marine benthic filter feeders who keep all 4 chordate traits throughout their lives.
What are lancelets?
Embryonic tissue layer that develops into skin and nervous system
Phylum of tiny asymmetrical animals that attach to rocks in the ocean.
What is Phylum Placozoa?
Common name of the closest relative of earthworms. They share Phylum Annelida.
What are leeches?
Common name of the member of Subphylum Chelicerata that is not a sea spider or arachnid.
What are horseshoe crabs?
Name of the clade of vertebrates that have jaws.
What are gnathostomes?
What is pseudocoelomate?
Phylum of animals that use rows of cilia to swim. In some species they are bioluminescent.
What is Phylum Ctenohpora?
Class of snails and slugs. Found within Phylum Mollusca.
What is Class Gastropoda?
Name of the subclass of insects that has wings.
What is Subclass Pterygota?
Phylum containing starfish, sea urchins, and sea cucumbers.
What is Phylum Echinodermata?
Name of the process of developing a digestive tract in an embryo.
What is gastrulation?
Name of the stinging structures on tentacles of jellyfish.
What are nematocysts?
Phylum name for flatworms (tapeworms and flukes, planarians).
What is Phylum Platyhelminthes?
Phylum that lives in leaf litter in the tropics and shoots slime to catch prey.
Class name for cartilaginous fish (sharks, skates, and rays).
What is Class Chondrichthyes?