PORIFERA & CNIDARIA
A sponge structure used for water flow
What is the osculum?
common freshwater flatworm is known for its regenerative abilities
What is a planarian?
Tissue layer in mollusks secretes the shell
What is the mantle?
The process in which a fertilized egg begins rapid cell division into smaller cells
What is cleavage?
Sponges belong to this major animal group based on lacking true tissues
What are Parazoa?
Name the specialized feeding cell in sponges that uses a flagellum to create water currents
What is a choanocyte?
The type of body cavity flatworms possess
What is aacoelomate?
tongue-like feeding structure found in mollusks.
What is the radula?
The hollow ball of cells formed early in development
What is the blastula?
Animals with true tissues belong to this group.
What are the Eumetazoa?
The sessile body form in cnidarians, such as sea anemones
What is the polyp?
Tapeworms belong to which class of Platyhelminthes
What are cestodes?
Clams, oysters, and mussels belong to which class of mollusks
What is Bivalvia?
The process that forms the three embryonic germ layers.
What is gastrulation?
Flatworms, mollusks, and annelids belong to this major bilaterian clade.
What are the Lophotrochozoa?
The stinging organelle used by cnidarians for defense and prey capture
What is a nematocyst?
Nematodes possess which type of body cavity?
What is a pseudocoelom?
This structure allows cephalopods to move via jet propulsion
What is the siphon (or funnel)?
The germ layer that gives rise to the digestive tract lining
What is the endoderm?
Arthropods and nematodes belong to this group of molting animals.
What are the Ecdysozoa?
This cnidarian class includes corals and sea anemones
What is Anthozoa?
What is the genus of the large parasitic roundworm commonly found in mammals, including humans?
What is Ascaris?
Internal supportive structure found in squids, also known as the “gladius”.
What is the pen?
Animals with radial, indeterminate cleavage during development.
What are deuterostomes?
Chordates and echinoderms belong to this developmental group
What are the Deuterostomia?