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Transcript
Mollusks
Characteristics of
Mullosks
Definition
Body Structure
Circulatory System
Obtain food
Obtain Oxygen
Movement
Reproduction
Adaptations
Mollusks
Characteristics of
M0llusks
Definition
Body Structure
Circulatory System
Obtain food
Obtain Oxygen
Movement
Reproduction
Adaptations
An invertebrate with a
soft, unsegmented
body; most are
protected by a hard
outer shell.
Mollusks
Characteristics of
Mullosks
Definition
Three Groups
Body Structure
Circulatory System
Obtain food
Obtain Oxygen
Movement
Reproduction
Adaptations
gastropod
A mollusk with a single
shell or no shell.
Ex. Snails, Slugs
Mollusks
Characteristics of
Mullosks
Definition
Three Groups
Body Structure
Circulatory System
Obtain food
Obtain Oxygen
Movement
Reproduction
Adaptations
bivalve
A mollusk that has two
shells held together by
hinges and strong
muscles.
Ex. Clams, Scallops
Mollusks
Characteristics of
Mullosks
Definition
Three Groups
Body Structure
Circulatory System
Obtain food
Obtain Oxygen
Movement
Reproduction
Adaptations
cephalopod
An ocean-dwelling
mollusk whose foot is
adapted as tentacles
that surround its
mouth.
Ex. Octopus, Squid
Mollusks
Characteristics of
Mullosks
Definition
Body Structure
Circulatory System
Obtain food
Obtain Oxygen
Movement
Reproduction
Adaptations
Bilateral Symetry
Two Openings, One Way
Digestive System
Mollusks
Characteristics of
Mullosks
Definition
Body Structure
Circulatory System
Gastropods
Bivalves
Obtain food
Obtain Oxygen
Movement
Reproduction
Adaptations
Open Circulatory System
A circulatory system in which
the heart pumps blood into
open spaces in the body and
blood is not confined to blood
vessels.
Mollusks
Characteristics of
Mullosks
Definition
Body Structure
Circulatory System
Cephalopods
Obtain food
Obtain Oxygen
Movement
Reproduction
Adaptations
Closed Circulatory System
A circulatory system in which
the heart pumps blood through
blood vessels.
Mollusks
Characteristics of
Mullosks
Definition
Body Structure
Circulatory System
Obtain food
Gastropods
Obtain Oxygen
Movement
Reproduction
Adaptations
Radula
A flexible ribbon of tiny teeth in
mollusks.
Mollusks
Characteristics of
Mullosks
Definition
Body Structure
Circulatory System
Obtain food
Bivalves
Obtain Oxygen
Movement
Reproduction
Adaptations
Filter feed
Food particles stick to mucus,
then moved to mouth by cilia
http://www.youtube.com/watc
h?v=vNqEQjGaDVk
http://www.youtube.com/watc
h?v=VTuBbuUro4g&NR=1
Mollusks
Characteristics of
Mullosks
Definition
Body Structure
Circulatory System
Obtain food
Cephalopods
Obtain Oxygen
Movement
Reproduction
Adaptations
Captures food with tentacles
and uses beak and radula to
break down food
Mollusks
Characteristics of
Mullosks
Definition
Body Structure
Circulatory System
Obtain food
Obtain Oxygen
Movement
Reproduction
Adaptations
Gill
An organ that removes oxygen
from water.
Mollusks
Characteristics of
Mullosks
Definition
Body Structure
Circulatory System
Obtain food
Obtain Oxygen
Movement
Gastropods
Reproduction
Adaptations
Move slowly on mucus
secreting foot
Mollusks
Characteristics of
Mullosks
Definition
Body Structure
Circulatory System
Obtain food
Obtain Oxygen
Movement
Bivalves
Reproduction
Adaptations
Uses foot to dig and jump
Moves shells to create a jet type
propulsion
Mollusks
Characteristics of
Mullosks
Definition
Body Structure
Circulatory System
Obtain food
Obtain Oxygen
Movement
Cephalopods
Reproduction
Adaptations
Jet propulsion
http://www.youtube.com/watch?
v=5o-OMa53F1s&feature=related
Mollusks
Characteristics of
Mullosks
Definition
Body Structure
Circulatory System
Obtain food
Obtain Oxygen
Movement
Reproduction
Gastropods
Adaptations
Internal and sometimes external
sexual reproduction
Male and Female; sometimes
Hermaphrodites
Mollusks
Characteristics of
Mullosks
Definition
Body Structure
Circulatory System
Obtain food
Obtain Oxygen
Movement
Reproduction
Bivalves
Adaptations
External sexual reproduction
Male and Female; sometimes
Hermaphrodites
Mollusks
Characteristics of
Mullosks
Definition
Body Structure
Circulatory System
Obtain food
Obtain Oxygen
Movement
Reproduction
Cephalopods
Adaptations
Internal sexual reproduction
Male and Female
Mollusks
Characteristics of
Mullosks
Definition
Body Structure
Circulatory System
Obtain food
Obtain Oxygen
Movement
Reproduction
Adaptations
What are some adaptations that
mollusks have for carrying out their
life functions?