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Marine Science Taxonomy

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rafael garcia

on 15 May 2013

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Transcript of Marine Science Taxonomy

Kingdom Animalia Phylum Porifera Marine Science Taxonomy sessile
filter feeders
asexually and sexual
radial symmetry
asymmetry Sponge Phylum Cnidarian stinging cells
radial symmetry
no central nervous system
filter food particles
asexual reproduction Class Hydrozoa Phylum Mollusca Class Anthozoa Sea anemones appear like plants but are animals
polyp stage
sexual , asexual
sessile Portuguese man o' war Class Scyphozoa dangerous species
stinging cells
two body plans within life cycle
bilateral symmetry box shaped bell
most predatory
tetramerous symmetry
transparent and bioluminescent
photoreceptors soft body animals
have shells
bilateral symmetry
visceral mass Class Cephalopoda Phylum Arthopoda 75% identified species
toughly outer skeleton
jointed legs jet propotion movement
ring of tentacles
dwell on bottom during day , go up at night Class Scaphopoda tusk shells
open at both ends
external fertilization
separate sexes Class Gastropoda whorls of the shell
herbivores or carnivores
separate sexes
operculum Class Crustacea 2 antennas
open circulatory system
separate sexes
body composed 3 regions: body, thorax and abdomen.
walking legs Class Insecta Class Arachnida carnivoruos
one or two glands
antenna or wings
jointed legged jointed legs
segmented bodies
brain and ventral nerve cord
respiratory system True jellyfish Class Bivalvia separate sexes
soft-bottom burrowers
shells divide into 2 jointed halves
open circulatory system
filter feeders
excretory system
hermaphrodite Chodrichthyes cartilaginous fish
made out of reinforced cartilage by calcium
have jaws
pared fins
skin like sand paper
placoid scaled Sharks flatted bodies
enlarged pectoral fins
gills ventral Rays streamlike tails (barbs)
move fins up and down Skates Create wave pattern when swimming
fleshy tails
not dangerous
mermaids purse Chimeras large eggs in leathery case
flatt crushing teeth
large pointed heads
gills covered operculum
bottom dwellers Phylum Chordata Bilateral symmetry
Body segmentation
Ventral heart
Closed blood system
Pharyngeal pouches Reptilia Sea turtles Marine Iguanas Crocodiles Oviparous
eggs laid in elevated nests
salt secretion through
lack teeth
solitary animals seaweed and algea
galapagos islands
salt excretion through nostrils
most black for heat energy absorption oviparous
largest living reptiles
communicate with each other by a way of calls or barks
excrete salt through tongue skin covered by scales
lack glands
successful both on terrestrial and marine environments
began to appear 100 million years ago Sea snakes venomous fangs
slow swimmers
scales are absent or greatly reduced
nostrils higher on the head then terrestrial snakes Mammals warm blooded
have hair or fur
breath through lungs
bear live young
nurse their young with milk Whales dolphins narwhals
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