Invertebrates
Review
At first, limit your learning to the features
that are unique to a group and/or groups
that “invented” features or had “firsts.”
Use the characteristics given to
name the group.
An image of an example organism will
follow as a hint. The third slide will be the
answer.
Nervous systems compared.
BILATERAL SYMMETRY,
HYDROSTATIC SKELTON,
HERMAPHRODITIC, CLOSED
CIRCULATION, INVENTED A 2ND
LAYER OF MUSCLES THAT ALLOW
BURROWING
BILATERAL SYMMETRY,
HYDROSTATIC SKELTON,
HERMAPHRODITIC, CLOSED
CIRCULATION, INVENTED A 2ND
LAYER OF MUSCLES THAT ALLOW
BURROWING
BILATERAL SYMMETRY,
HYDROSTATIC SKELTON,
HERMAPHRODITIC, CLOSED
CIRCULATION, INVENTED A 2ND
LAYER OF MUSCLES THAT ALLOW
BURROWING
Annelida
(Segmented
Worms)
NO BRAIN OR NERVES,
SKELETON=SPICULES (UNIQUE),
COLLAR CELLS, DIFFUSION,
INVENTED CELL-CELL
COMMUNICATION,
BASAL TO ALL ANIMALS
NO BRAIN OR NERVES,
SKELETON=SPICULES (UNIQUE),
COLLAR CELLS, DIFFUSION,
INVENTED CELL-CELL
COMMUNICATION,
BASAL TO ALL ANIMALS
NO BRAIN OR NERVES,
SKELETON=SPICULES (UNIQUE),
COLLAR CELLS, DIFFUSION,
INVENTED CELL-CELL
COMMUNICATION,
BASAL TO ALL ANIMALS
NERVE NET,
HYDROSTATIC SKELETON,
RADIAL SYMMETRY,
UNIQUE NEMATOCYSTS
NERVE NET,
HYDROSTATIC SKELETON,
RADIAL SYMMETRY,
UNIQUE NEMATOCYSTS
NERVE NET,
HYDROSTATIC SKELETON,
RADIAL SYMMETRY,
UNIQUE NEMATOCYSTS
CNIDARIA
(STINGING-CELLS)
NERVE LADDER, INVENTED
BILATERAL SYMMETRY,
HERMAPHRODITIC
NERVE LADDER, INVENTED
BILATERAL SYMMETRY,
HERMAPHRODITIC
NERVE LADDER, INVENTED
PLATYHELMINTHES
BILATERAL
SYMMETRY,
(FLATWORMS)
HERMAPHRODITIC
NERVE LADDER, INVENTED
BILATERAL SYMMETRY,
HERMAPHRODITIC
PLATYHELMINTHES
(FLATWORMS)
EYES,
JOINTED APPENDAGES,
EXOSKELETON,
1ST ANIMAL ON LAND,
MOST SUCCESSFUL ANIMAL
EYES,
JOINTED APPENDAGES,
EXOSKELETON,
1ST ANIMAL ON LAND,
MOST SUCCESSFUL ANIMAL
EYES,
JOINTED APPENDAGES,
EXOSKELETON,
1ST ANIMAL ON LAND,
MOST SUCCESSFUL ANIMAL
Arthropod:
Open circulatory system, book lungs,
pincers/stingers/biting mouth parts,
carnivorous, eight legs.
Arthropod:
Open circulatory system, book lungs,
pincers/stingers/biting mouth parts,
carnivorous.
Arthropod:
Open circulatory system, book lungs,
pincers/stingers/biting mouth parts,
carnivorous.
Arachnida
Arthropod:
Metamorphosis, head/thorax/abdomen,
antennae, eyes, complex mouth parts, internal
fertilization, lay eggs, circulatory system
separate from respiratory system, six legs .
Arthropod:
Metamorphosis, head/thorax/abdomen,
antennae, eyes, complex mouth parts, internal
fertilization, lay eggs, circulatory system
separate from respiratory system, six legs .
Complete
Metamorphosis
Incomplete
Metamorphosis
Arthropod:
Metamorphosis, head/thorax/abdomen,
antennae, eyes, complex mouth parts, internal
fertilization, lay eggs, circulatory system
separate from respiratory system, six legs .
Complete
Metamorphosis
Incomplete
Metamorphosis
Insecta
Which
Arthropod?
Open circulatory system, gills,
exoskeleton, cephalothorax +
abdomen, eyes, antennae, four
walking legs, defensive pincers, molt
as they grow.
Which
Arthropod?
Open circulatory system, gills,
exoskeleton, cephalothorax +
abdomen, eyes, antennae, four
walking legs, defensive pincers, molt
as they grow.
Which
Arthropod?
Open circulatory system, gills,
exoskeleton, cephalothorax +
abdomen, eyes, antennae, four
walking legs, defensive pincers, molt
as they grow.
BILATERAL SYMMETRY,
RADULA OR BEAK,
SOME LOST SHELL FOR SPEED
BILATERAL SYMMETRY,
RADULA OR BEAK,
SOME LOST SHELL FOR SPEED
BILATERAL SYMMETRY,
RADULA OR BEAK,
SOME LOST SHELL FOR SPEED
MOLLUSCA:
GASTROPOD, BIVALVE,
CEPHALOPOD
MOLLUSCA:
LARGE BRAIN, COMPLEX EYES,
BILATERAL SYMMETRY, BEAK,
SOME LOST SHELL FOR SPEED
MOLLUSCA:
LARGE BRAIN, COMPLEX EYES,
BILATERAL SYMMETRY, BEAK,
SOME LOST SHELL FOR SPEED
MOLLUSCA:
LARGE BRAIN, COMPLEX EYES,
BILATERAL SYMMETRY, BEAK,
SOME LOST SHELL FOR SPEED
Cephalopod
MOLLUSCA:
MULTIPLE EYES,
BILATERAL SYMMETRY,
TWO-PIECE SHELL
MOLLUSCA:
MULTIPLE EYES,
BILATERAL SYMMETRY,
TWO-PIECE SHELL
Bivalve: oyster,
scallop, MOLLUSCA:
clam
MULTIPLE EYES,
BILATERAL SYMMETRY,
TWO-PIECE SHELL
MOLLUSCA:
RADULA, ONE-PIECE SHELL,
MUSCULAR FOOT, SLIME TRAIL,
EYE STALKS
MOLLUSCA:
RADULA, ONE-PIECE SHELL,
MUSCULAR FOOT, SLIME TRAIL,
EYE STALKS
MOLLUSCA:
RADULA, ONE-PIECE SHELL,
MUSCULAR FOOT, SLIME TRAIL,
EYE STALKS
GASTROPODS:
SNAILS
Cone snail: deadly
NO BRAIN,
ADULTS: RADIAL SYMMETRY,
UNIQUE TUBE FEET,
WATER VACULAR SYSTEM
NO BRAIN,
ADULTS: RADIAL SYMMETRY,
UNIQUE TUBE FEET,
WATER VACULAR SYSTEM
NO BRAIN,
ADULTS: RADIAL SYMMETRY,
UNIQUE TUBE FEET,
WATER VACULAR SYSTEM
BILATERAL SYMMETRY,
PSEUDOCOELOM, INVENTED
ONE-WAY DIGESTIVE SYSTEM
BILATERAL SYMMETRY,
PSEUDOCOELOM, INVENTED
ONE-WAY DIGESTIVE SYSTEM
NEMATODA (ROUNDWORMS)
BILATERAL SYMMETRY,
PSEUDOCOELOM, INVENTED
ONE-WAY DIGESTIVE SYSTEM
Review
Which phylum possesses the unique feature?
Water vascular system and tube feet.
Feathers
“Jet” propulsion
“Suckers”
Nematocysts (stinging cells)
Spicules and collar cells
Review
Which phylum possesses the unique feature?
Water vascular system and tube feet.
Feathers
“Jet” propulsion
“Suckers”
Nematocysts (stinging cells)
Spicules and collar cells
Echinoderms
Review
Which phylum possesses the unique feature?
Water vascular system and tube feet.
Echinoderms
Feathers
Birds
“Jet” propulsion
“Suckers”
Nematocysts (stinging cells)
Spicules and collar cells
Review
Which phylum possesses the unique feature?
Water vascular system and tube feet.
Echinoderms
Feathers
Birds
“Jet” propulsion
Cephalopods
“Suckers”
Nematocysts (stinging cells)
Spicules and collar cells
Review
Which phylum possesses the unique feature?
Water vascular system and tube feet.
Echinoderms
Feathers
Birds
“Jet” propulsion
Cephalopods
“Suckers”
Cephalopods
Nematocysts (stinging cells)
Spicules and collar cells
Review
Which phylum possesses the unique feature?
Water vascular system and tube feet.
Echinoderms
Feathers
Birds
“Jet” propulsion
Cephalopods
“Suckers”
Cephalopods
Nematocysts (stinging cells)
Cnidaria
Spicules and collar cells
Review
Which phylum possesses the unique feature?
Water vascular system and tube feet.
Echinoderms
Feathers
Birds
“Jet” propulsion
Cephalopods
“Suckers”
Cephalopods
Nematocysts (stinging cells)
Cnidaria
Spicules and collar cells
Sponges
Review
Which phylum made the first ….?
Closed circulatory system
Big brain
Collagen
Nerves
Cell Communication
One-way digestive track
Segmentation
Cephalization & Bilateral symmetry
Review
Which phylum made the first ….?
Closed circulatory system
Segmented Worms
Big brain
Collagen
Nerves
Cell Communication
One-way digestive track
Segmentation
Cephalization & Bilateral symmetry
Review
Which phylum made the first ….?
Closed circulatory system
Segmented Worms
Big brain
Cephalopod
Collagen
Nerves
Cell Communication
One-way digestive track
Segmentation
Cephalization & Bilateral symmetry
Review
Which phylum made the first ….?
Closed circulatory system
Segmented Worms
Big brain
Cephalopod
Collagen
Sponges
Nerves
Cell Communication
One-way digestive track
Segmentation
Cephalization & Bilateral symmetry
Review
Which phylum made the first ….?
Closed circulatory system
Big brain
Collagen
Nerves
Cell Communication
One-way digestive track
Segmentation
Cephalization & Bilateral symmetry
Segmented Worms
Cephalopod
Sponges
Cnidaria
Review
Which phylum made the first ….?
Closed circulatory system
Big brain
Collagen
Nerves
Cell Communication
One-way digestive track
Segmentation
Cephalization & Bilateral symmetry
Segmented Worms
Cephalopod
Sponges
Cnidaria
Sponges
Review
Which phylum made the first ….?
Closed circulatory system
Big brain
Collagen
Nerves
Cell Communication
One-way digestive track
Segmentation
Cephalization & Bilateral symmetry
Segmented Worms
Cephalopod
Sponges
Cnidaria
Sponges
Roundworms
Review
Which phylum made the first ….?
Closed circulatory system
Big brain
Collagen
Nerves
Cell Communication
One-way digestive track
Segmentation
Cephalization & Bilateral symmetry
Segmented Worms
Cephalopod
Sponges
Cnidaria
Sponges
Roundworms
Segmented worms
Review
Which phylum made the first ….?
Closed circulatory system
Big brain
Collagen
Nerves
Cell Communication
One-way digestive track
Segmentation
Cephalization & Bilateral symmetry
Segmented Worms
Cephalopod
Sponges
Cnidaria
Sponges
Roundworms
Segmented worms
Flatworms
Invertebrates Review Questions
Which types of skeletons do invertebrates
possess?
Which type of worm is typically parasitic?
Which phylum name means “soft bodies?”
“Little rings” is the translation for this
phylum
Arthropoda means…
This phylum is basal to all other animals.
Invertebrates Review Questions
Which types of skeletons do invertebrates
possess?
Which type of worm is typically parasitic?
Which phylum name means “soft bodies?”
“Little rings” is the translation for this
phylum
Arthropoda means…
This phylum is basal to all other animals.
Spicules, hydroskeleton &
exoskeleton.
Invertebrates Review Questions
Which types of skeletons do invertebrates
possess?
Spicules, hydroskeleton &
exoskeleton.
Which type of worm is typically parasitic?
Roundworms
Which phylum name means “soft bodies?”
“Little rings” is the translation for this
phylum
Arthropoda means…
This phylum is basal to all other animals.
Invertebrates Review Questions
Which types of skeletons do invertebrates
possess?
Spicules, hydroskeleton &
exoskeleton.
Which type of worm is typically parasitic?
Roundworms
Which phylum name means “soft bodies?”
Mollusca
“Little rings” is the translation for this
phylum
Arthropoda means…
This phylum is basal to all other animals.
Invertebrates Review Questions
Which types of skeletons do invertebrates
possess?
Spicules, hydroskeleton &
exoskeleton.
Which type of worm is typically parasitic?
Roundworms
Which phylum name means “soft bodies?”
Mollusca
“Little rings” is the translation for this
phylum
Annelida
Arthropoda means…
This phylum is basal to all other animals.
Invertebrates Review Questions
Which types of skeletons do invertebrates
possess?
Spicules, hydroskeleton &
exoskeleton.
Which type of worm is typically parasitic?
Roundworms
Which phylum name means “soft bodies?”
Mollusca
“Little rings” is the translation for this
phylum
Annelida
Arthropoda means…
Jointed Foot
This phylum is basal to all other animals.
Invertebrates Review Questions
Which types of skeletons do invertebrates
possess?
Spicules, hydroskeleton &
exoskeleton.
Which type of worm is typically parasitic?
Roundworms
Which phylum name means “soft bodies?”
Mollusca
“Little rings” is the translation for this
phylum
Annelida
Arthropoda means…
Jointed Foot
This phylum is basal to all other animals.
Sponges (Porifera)
Invertebrates Review Questions
This phylum is asymmetrical.
First animals on land.
Abandoned a shell for speed.
Invertebrates Review Questions
This phylum is asymmetrical.
First animals on land.
Abandoned a shell for speed.
Sponges
Invertebrates Review Questions
This phylum is asymmetrical.
Sponges
First animals on land.
Crustaceans
Abandoned a shell for speed.
Invertebrates Review Questions
This phylum is asymmetrical.
Sponges
First animals on land.
Crustaceans
Abandoned a shell for speed.
Cephalopods
Well
Done!
Now, do it again.