Animals
From Sponges to Mollusks
Fall 2005
Mr. King
Sponge - Porifera
Sponge - Porifera
Pore
Oscula
Pore
Oscula
Pore
Water with food enters pores
Oscula
Pore
Water with food enters pores
Oscula
Pore
Food is captured by amoeboid cells
Oscula
Pore
Food is captured by amoeboid cells
Oscula
Pore
Water flows out the oscula
Oscula
Flagellum
Cells
Pore
Flagellum Cells create a current of
Water through the pore
Oscula
Flagellum
Cells
Pore
Amoeboid cells transport and grab
Food for the rest of the sponge
Oscula
Flagellum
Cells
Pore
Central Cavity
Amoeboid cells transport and grab
food for the rest of the sponge
The sponge reproduces
asexually. An amoeboid
cell moves through the
oscula and then attaches
on the ocean floor to
make another sponge
Oscula
Pore
Central Cavity
Coelenterates - Hydra (hollow sac)
Coelenterates - Hydra (hollow sac)
Tentacles
Coelenterates - Hydra (hollow sac)
Tentacles
Mouth/Anus
Coelenterates - Hydra (hollow sac)
Tentacles
Mouth/Anus
Central cavity
(where food is digested)
Coelenterates - Hydra (hollow sac)
Tentacles
Stinging Cells
(Trycosysts)
Mouth/Anus
Central cavity
(where food is digested)
Coelenterates - Hydra (hollow sac)
Tentacles
Stinging Cells
(Trycosysts)
Mouth/Anus
1 cm
Central cavity
(where food is digested)
Coelenterates - Hydra (hollow sac)
Tentacles
Stinging Cells
(Trycosysts)
Mouth/Anus
1 cm
Central cavity
(where food is digested)
Coelenterates - Hydra (hollow sac)
Tentacles
Stinging Cells
(Trycosysts)
Mouth/Anus
1 cm
Central cavity
(where food is digested)
Coelenterates - Hydra (hollow sac)
Tentacles
Stinging Cells
(Trycosysts)
Mouth/Anus
1 cm
Central cavity
(where food is digested)
Coelenterates - Hydra (hollow sac)
Tentacles
Stinging Cells
(Trycosysts)
Mouth/Anus
1 cm
Central cavity
(where food is digested)
Coelenterates - Hydra (hollow sac)
Tentacles
Stinging Cells
(Trycosysts)
Mouth/Anus
1 cm
Budding
Central cavity
(where food is digested)
Coelenterates - Hydra (hollow sac)
Tentacles
Stinging Cells
(Trycosysts)
Mouth/Anus
1 cm
Budding
Central cavity
(where food is digested)
Get food by stinging cells and bringing it into the mouth.
Reproduces by budding (asexual)
Coelenterates - Aurelia (jellyfish)
Coelenterates - Aurelia (jellyfish)
Medusa
Coelenterates - Aurelia (jellyfish)
Medusa
Tentacles
Coelenterates - Aurelia (jellyfish)
Reproduce Sexually
Medusa
Tentacles
Coelenterates - Aurelia (jellyfish)
Reproduce Sexually
Medusa
egg
Tentacles
Coelenterates - Aurelia (jellyfish)
Reproduce Sexually
Medusa
egg
Tentacles
sperm
Coelenterates - Aurelia (jellyfish)
Reproduce Sexually
Medusa
egg
Tentacles
sperm
zygote
Coelenterates - Aurelia (jellyfish)
Reproduce Sexually
Medusa
egg
Tentacles
sperm
zygote
polyp
Coelenterates - Aurelia (jellyfish)
Reproduce Sexually
Medusa
egg
Tentacles
sperm
zygote
polyp
Coelenterates - Aurelia (jellyfish)
Reproduce Sexually
Medusa
egg
Tentacles
sperm
zygote
polyp
Coelenterates - Aurelia (jellyfish)
Reproduce Sexually
Medusa
egg
Tentacles
sperm
zygote
polyp
Coelenterates - Aurelia (jellyfish)
Reproduce Sexually
Medusa
egg
Tentacles
sperm
zygote
polyp
Coelenterates - Aurelia (jellyfish)
Reproduce Sexually
Medusa
egg
Tentacles
sperm
zygote
polyp
Coelenterates - Aurelia (jellyfish)
Reproduce Sexually
Medusa
egg
Tentacles
sperm
male
zygote
polyp
female
Coelenterates - Aurelia (jellyfish)
Reproduce Sexually
Medusa
egg
Tentacles
sperm
male
zygote
polyp
female
Coelenterates - Aurelia (jellyfish)
Reproduce Sexually
Medusa
egg
Tentacles
sperm
male
zygote
polyp
female
Platythemhelmis - Flatworm
Platythemhelmis - Flatworm
Platythemhelmis - Flatworm
Eye Spot
Platythemhelmis - Flatworm
Eye Spot
Platythemhelmis - Flatworm
Eye Spot
Simple Nervous System
Platythemhelmis - Flatworm
Simple
Brain
Eye Spot
Simple Nervous System
Platythemhelmis - Flatworm
Simple
Brain
Eye Spot
Simple Nervous System
First Nerve & Brain
Intestine
Tube like mouth
Also the anus
Platythemhelmis - Flatworm
Simple
Brain
Eye Spot
Simple Nervous System
First Nerve & Brain
Intestine
First intestine, mouth &
simple digestive system.
Tube like mouth
also the anus
Platythemhelmis - Flatworm
Simple
Brain
Eye Spot
Simple Nervous System
First Nerve & Brain
Intestine
First intestine, mouth &
simple digestive system.
Tube like mouth
also the anus
Reproduces by
Regeneration
(can be cut in half)
Platythemhelmis - Flatworm
Simple
Brain
This animal
Is called a:
Planaria
Tube like mouth
also the anus
Eye Spot
Simple Nervous System
First Nerve & Brain
Intestine
First intestine, mouth &
simple digestive system.
Reproduces by
Regeneration
(can be cut in half)
Platythemhelmis - Flatworm
Simple
Brain
This animal
Is called a:
Planaria
Tube like mouth
also the anus
Eye Spot
Simple Nervous System
First Nerve & Brain
Intestine
First intestine, mouth &
simple digestive system.
Reproduces by
Regeneration
(can be cut in half)
Nematode - Round Worm
Nematode - Round Worm
mouth
Nematode - Round Worm
mouth
anus
First true digestive
system with a mouth on the opposite
side from the anus.
These animals may live as parasites.
Nematode - Round Worm
mouth
anus
First true digestive
system with a mouth on the opposite
side from the anus.
These animals may live as parasites.
Annelid - Earthworm
Annelid - Earthworm
Annelid - Earthworm
Intestine
Annelid - Earthworm
Intestine
Gizzard
Annelid - Earthworm
Intestine
Gizzard
Crop
Annelid - Earthworm
Intestine
Gizzard
Crop
Mouth
Annelid - Earthworm
Blood Vessels
Intestine
Gizzard
Crop
Mouth
Blood Vessels
Annelid - Earthworm
Blood Vessels
Intestine
Gizzard
Crop
Mouth
Blood Vessels
5 hearts
Annelid - Earthworm
Blood Vessels
Intestine
Gizzard
Crop
Mouth
Blood Vessels
Nerve cord
5 hearts
Annelid - Earthworm
Blood Vessels
Intestine
Gizzard
Crop
Brain
Mouth
Blood Vessels
Nerve cord
5 hearts
Annelid - Earthworm
Blood Vessels
Sexual reproduction
organs
Intestine
Gizzard
Crop
Brain
Mouth
Blood Vessels
Nerve cord
5 hearts
Annelid - Earthworm
Blood Vessels
Sexual reproduction
organs
Intestine
Gizzard
Crop
Brain
Mouth
Blood Vessels
Nerve cord
5 hearts
Anus
Annelid - Earthworm
Blood Vessels
Intestine
Sexual reproduction
organs
Segments
Gizzard
Crop
Brain
Mouth
Anus
Blood Vessels
Nerve cord
5 hearts
Annelid - Earthworm
Blood Vessels
Intestine
Sexual reproduction
organs
Segments
Bristles
Gizzard
Crop
Brain
Mouth
Anus
Blood Vessels
Nerve cord
5 hearts
Annelid - Earthworm
Blood Vessels
Intestine
Sexual reproduction
organs
Segments
Bristles
Gizzard
Crop
Brain
Mouth
Anus
Blood Vessels
Nerve cord
5 hearts
Mollusks - Stomach Footed
Slug
Mollusks - Stomach Footed
Slug
Optical Tentacles
Mollusks - Stomach Footed
Slug
Optical Tentacles
Mollusks - Stomach Footed
Slug
Optical Tentacles
Sensory
Tentacles
Mollusks - Stomach Footed
Slug
Optical Tentacles
Brain
Sensory
Tentacles
Mollusks - Stomach Footed
Slug
Optical Tentacles
Brain
Sensory
Tentacles
Mollusks - Stomach Footed
Slug
Optical Tentacles
Brain
Sensory
Tentacles
Mouth
Mollusks - Stomach Footed
Slug
Crop
Optical Tentacles
Brain
Sensory
Tentacles
Mouth
Mollusks - Stomach Footed
Slug
Crop
Stomach
Optical Tentacles
Brain
Sensory
Tentacles
Mouth
Mollusks - Stomach Footed
Slug
Crop
Stomach
Optical Tentacles
Brain
Sensory
Tentacles
Mouth
Mollusks - Stomach Footed
Slug
Crop
Stomach
Optical Tentacles
Brain
Sensory
Tentacles
Intestine
Mouth
Mollusks - Stomach Footed
Slug
Crop
Stomach
Optical Tentacles
Brain
Sensory
Tentacles
Intestine
Anus
Mouth
Mollusks - Stomach Footed
Slug
Crop
Stomach
Optical Tentacles
Brain
Sensory
Tentacles
Intestine
Anus
Mouth
Mollusks - Stomach Footed
Slug
Crop
Stomach
Optical Tentacles
Brain
Sensory
Tentacles
Intestine
Anus
Mouth
Salivary Glands
Mollusks - Head Footed
Mollusks - Head Footed
Mollusks - Head Footed
Tentacle
Mollusks - Head Footed
Tentacle
Arm
Mollusks - Head Footed
Tentacle
Jaw
Arm
Mollusks - Head Footed
Tentacle
Jaw
Mouth
Arm
Mollusks - Head Footed
Tentacle
Jaw
Mouth
Arm
Anus
Mollusks - Head Footed
Tentacle
Stomach
Jaw
Mouth
Arm
Anus
Mollusks - Head Footed
Tentacle
Stomach
Jaw
Mouth
Arm
Anus
Mollusks - Head Footed
Tentacle
Stomach
Jaw
Mouth
Arm
Heart
Anus
Mollusks - Head Footed
Tentacle
Stomach
Jaw
Mouth
Arm
Heart
Anus
Gill
Mollusks - Head Footed
Tentacle
Stomach
Jaw
Mouth
Arm
Heart
Anus
Gill
Mollusks - Head Footed
Tentacle
Stomach
Jaw
Mouth
Arm
Heart
Anus
Ink sac
Gill
Mollusks - Head Footed
Tentacle
Jaw
Eye
Stomach
Mouth
Arm
Heart
Anus
Ink sac
Gill
Mollusks - Head Footed
Tentacle
Jaw
Eye
Stomach
Mouth
Arm
Heart
Anus
Ink sac
Gill
Mollusks - Head Footed
Tentacle
Jaw
Eye
Shell
Stomach
Mouth
Arm
Heart
Anus
Ink sac
Gill
Mollusks - Head Footed
Tentacle
Jaw
Mouth
Eye
Shell
Stomach
Heart
Arm
Anus
Ink sac Gill
Complex eye, defense system, start of a skeleton
and mouth parts