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Sponges
- -Phylum Porifera
- 1. Least complex of all multicelled organisms, 2. one of the oldest 450mya
- 3. symbiotic relationship with bluegreen algae, 4. filter feeders
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Jellyfish
- -Phylum Cnidaria
- -Made up of more than 95% of water
- -radially symmetrical
- -Have no brain, no blood, no nervous system
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Sea Anemones
- -Phylum Cnidaria
- -carnivorous
- -stinging cells on tentacles
- -symbiotic relationship with clownfish
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Phylum Annelida
- -segmented worms
- -Christmas tree and feather duster
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Mollusks
- -Phylum:Mollusca
- -snails, clams, octopus, squid
- 1. Muscular foot
- 2. Mantle
- 3. Head
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4 classes of mollusks
- 1. chiton
- 2. gastropods
- 3. bivalves
- 4. cephalopods
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Chitons
- -Phylum Mollusca
- -eat algae
- -slug inside
- -shell has overlapping plates for more body movement usually
- -8 section shell
- -use radula
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Gastropods
- phylum mollusca
- -lots of shells,
- -move with muscular foot
- -coiled shell
- -garden slug, nudibranches, snails
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Bivalves
- -Phylum Mollusca
- -clams, oysters, mussels
- -shells made of two halves
- -have siphons for filtering and breathing
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Cephalopods
- -Phylum: Mollusca
- - squid, octopus, cuttlefish
- - intelligent, human like eyeball
- -chromatophores- organs that can change colors
- -strong beaks
- -release ink
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Phylum Arthropoda
- -World's largest Phylum
- -Insects, horseshoe crabs
- -segemented bodies
- -exoskeleton
- -molt exoskeleton
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Class Crustacea
- -Phylum Arthopoda
- -shrimps, crabs, lobsterms, hermit crabs, barnacles
- -Head, thorax, abdomen
- 1. chitinous exoskeleton
- 2. molting
- 3. segmented bodies
- 4. most have ten legs (decopods)
- 5. change sex
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Phylum Echinodermata
- -spiny skin
- -tube feet
- -water vascular system
- -4 classes
- 1. starfish
- 2. brittle stars (long flexible arms)
- 3. sea cucumbers
- 4. sea urchins
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Starfish
- -Phylum:Echinodermata
- -Radially Symmetrical
- -Generally 5 arms
- -Regenerate slow
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Brittle star
- -Phylum Echinodermata
- -No regeneration
- -Flexible
- -fast
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Sea Cucumbers
- -Phylum Echinodermata
- -no radial symmetry
- -eject organs when in danger
- -bottom of sea floors
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Sea Urchins
- -Phylum Echinodermata
- -algae grazers
- -big spines
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Phylum Chordata
- -mammals, birds, amphibians, reptiles and fish
- 1. Nerve cord----brain and spinal cord
- 2. Notochord----backbone
- 3. Gill slits
- -Prood of evolution: fossil and DNA evidence backbone w/ gills
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Sea squirts
- -Phylum Chordata
- -also called ascidians
- -live fixed to rocks, weeds, in caves, on harbor installations etc.
- -have VERY early backbones in their larval tail
- -also have gill like structure
- -Our ancestor=Grandma
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FISH SPECIES DIVERSITY
- Marine Fish 12,000 species
- World reefs: 7,000 species
- Caribean: 1500 -5,000 species
- Key West: 4,000 species
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3 CLASSES OF PHYLUM CHORDATA
- 1. AGNATHA: jawless fish, lamprey
- 2. CHONDRICHTHYES: cartilaginous ; shark, rays
- 3. OSTEICHTHYES: bony fish (21,000 species)
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BIG TEN FISH
- 1: DAMSELFISH
- 2: BUTTERFLY FISH
- 3: ANGELFISH
- 4: CARDINALFISHES
- 5: GROUPER AND BASSLET
- 6: PARROTFISHES
- 7: WRASSES
- 8: SURGEON FISHES
- 9: BLENNIES
- 10: GOBIES
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