Invertebrates
Worm Phyla
Advanced Invertebrates
Chordates
Fishes
100
soft bodied animals that lack a rigid internal skeleton.
What is and invertebrate?
100
the simplest worms, flat worm phylum.
What is Platyhelminthes?
100
the snail class
What is Gastropoda?
100
a tubular dorsal nervous system.
What is a notochord?
100
Cold blooded organisms.
What is ectotherms?
200
the phylum Porifera.
What is the phylum that sponges belong to.
200
The body that has left and right side mirror images of each other.
What is bilateral symmetry?
200
The Phylum that includes such diverse members such as clams, octopuses, and squid.
What is The phylum Mollusca?
200
suspension feeders that superficially loo kand function like sponges.
What is tunicates or sea squirts?
200
phylum that lack jaws and have no paired appendages to aid in locomotion.
What is Agnatha?
300
when body parts radiate from a central axis of spokes of a wheel.
What is radical symmetry?
300
The most primitive organisms with a central nervous system.
What is Flatworms?
300
The largest invertabrate
What is the squid?
300
members of the phylum chordata that posses a backbone.
What is vertebrates?
300
tough elastic tissue
What is catilage?
400
tropical reef building corals.
What is hermatypic?
400
The most evolutionary advanced worm phylum.
What is annelida?
400
meaning joint footed.
What is Arthropoda?
400
all successful vertebrates, which exist in an extraordinary variety of form and habitat.
What is fishes?
400
Phylum of bony fishes.
What is Osteichthyes?
500
masses of single-celled, symbiotic dinoflagellates.
What is zooxanthellae?
500
The largest and most diverse class of annelids, also the mot important marine annelids.
What is Polychaeta?
500
made of a tough nitrogen rich carbohydrate.
What is chitin?
500
a small semitransparent animal that buries itself in sand in shallow marine waters worldwide.
What is Amphioxus?
500
order which contains the cod, tuna, halibut, perch, and other familiar species.
What is Teleostei?
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