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How are Invertebrates Classified?
What are mollusks and echinoderms?
Vocabulary
Phyla
What are sponges, cnidarians, and worms?
100
Body parts arranged in the same way left and right
What is bilateral symmetry
100
Shells made of eight overlapping plates
What is a Chiton?
100
An animal that has a soft, unsegmented body; bilateral symmetry; and a body divided into a head, foot, and mantle
What is mollusks
100
Class to which sponges belong
What is Portifera
100
Sponges are made of this material
What is spongin?
200
Bodies shaped irregularly, and they cannot be split into equal parts
What is asymmetry?
200
A toothed, or file-like, structure used for feeding by gastropods and other mollusks
What is Radula
200
Class to which flatworms belong
What is platyhelminthes
200
The asexual reproduction of Sponges is produced via this method
What is regeneration?
300
the eight phyla of invertebrate species
What is Sponges Cnidarians Worms (Flatworms, Roundworms, Segmented worms) Echinoderms Mollusks Arthropods
300
A gastropod whose foot runs along its belly
What is a stomach footed mollusk?
300
A mollusk that has a shell of two halves, or valves
What is a Bivalve?
300
Phylum to which starfish belong
What is Echinodermata?
300
Stinging rays that inject venom to prey
What are cnidocytes?
400
Three characteristics of animals
What is -Are eukaryotes -Multicellular -Cells don’t have rigid cell walls -Respond to stimuli -Heterotrophs Most can: -sexually reproduce -can move
400
Smoot shiny material that allows for the production of pearls
What is Nacre?
400
An internal skeleton. Usually made of calcium or silica
What is Endoskeleton
400
Phylum to which jellyfish belong
What is Cnidaria
400
Trichina worm a part of this Phyla
What is Nematoda?
500
Invertebrate structures made of this element
What is calcium
500
Common classes of Mollusks (Name two)
What is Polyplacophora (chitons), Gastropoda (Gastropods), Bivalvia (Bivalves), and Cephalopods (Cephalopods)
500
Tube Foot
What is attached to the end of the water-vascular system, it allows an echinoderm to move
500
Phylum to which Segmented worms belong
What is Annelida?
500
Two shapes of Cnidarians
What is the polyp and the medusa?