UNIT 12 Flashcards
Mollusk with one shell
Gastropoda
Mollusks with 2 shells
Bivalves
Mollusks with no external shell
Cephalopods
What does Gastropoda mean
Stomach foot mollusks
What is an example of a Gastropoda
Snails
What are the unique characteristics of Gastropoda
1 external shell
2 chamber heart
Open circulatory system
What does class bivalvia mean in English?
2 shelled
What are some examples of class bivalvia phylum mollusks
Clams
What are two unique characteristics of class bivalvia, phylum mollusks?
Filter feeders
Gills
Biological indicators
Foot anchors
What does class cephalopoda mean in English
Head footed mollusks
What are some examples of phylum mollusks class cephalopods
Octopus and squid
What are two unique characteristics of phylum molluska class cephalopoda
Most complex and evolved mollusks
Move by jet propulsion
I internal shell (pen)
Closed circulatory system
What is the phylum of segmented worms?
Annelida
What are three examples of the phylum annelida
Earth worms
Leeches
Marine worms
What is an example of phylum annelida class oligocheata
Earth worms
What are some unique characteristics about phylum annelida class oligochaeta
Subterrestrial
Herbivores
What is an example of phylum annelida class Polychaeta
Marine worm
Clam worm
What are two examples of phylum annelida class polychaeta
Parapodia
Strong jaws
What is an example of phylum annelida class hirudinea
Leech
What are some unique characteristics of phylum annelida class hirudinea
External parasites
Anesthetic
Anti coagulant
What is the phylum of Arthropods called?
Arthropoda
What does Arthropoda mean in English
Jointed foot
What is the size of phylum Arthropoda
Over 1 million species