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Special Features
ID, please.
Sponges(not the cleaning ones)
Cnidarians
Mollusk Familia
100
Animals with this have body parts arranged circularly around a central axis.
What is radial symmetry
100
This is the most closely related phylum to humans.
What is Chordata
100
The method a sea sponge uses to feed.
What is filter feeding
100
This cylindrical Cnidarian has its mouth and tentacles on the topside.
What is a polyp
100
This class includes over half of the molusk in existence.
What is Gastropoda
200
Name the only phylum with organisms that have no tissue.
What is Porifera
200
This phylum contains those scary house pests we know as arachnids.
What is Arthropoda
200
This is the other name for collar cells.
What are Choanocytes
200
This type of cnidarian is umbrella-shaped, with bodily features on the underside.
What is a medusa
200
This class of mollushs has the most developed nervous system of the seven classes
What is Cephalopoda
300
name a phylum that is characterized by radial symmetry
What is Cnidaria
300
Name the Phylum of Deuterostomes characterized by radial symmetry.
What is Echinodermata
300
These cells make up the outer layer of a sea sponge.
What are pinacocytes
300
This is the deadliest Cnidarian in existence.
What is the box jelly (A.K.A.: sea wasp)
300
This class of mollusks can also be called the tusk shells.
What is Scaphopoda
400
The three-stranded protein that does what a cell wall would do for a plant cell.
What is collagen
400
This invertebrate-related document "is in no way considered a finished product."
What is the Phylogenetic Tree for Invertebrate Animals
400
This word describes the lifestyle of the average sea sponge.
What is sessile
400
Name the mechanism that makes sea wasps so deadly.
What is nematocyst
400
This class of mollusks has shells with overlapping plates.
What is Polyplacophora
500
This group of genes controls early development in animals.
What are homeotic genes
500
This phylum has an exceedingly long name, and includes/contains flatworms.
What is platyhelminthes
500
These mobile cells act as a sort of combination between the respiratory, circulatory, and excretory systems.
What are amoebocytes
500
Cnidarians don't actually have digestive systems, but they do have this:
What is Gastrovascular cavity
500
This class was believed extinct until it resurfaced in 1952.
What is Tryblidia