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2014 Mr. Halls Aquatics Science Final Review

Coelenterata phylum name that means "hollow gut"
Cnidaria phylum name for jellyfish & corals - means stinging animal
ectoderm embryologic cell layer -will make skin, bones and nerves -epidermis
endoderm embryologic cell layer - makes gut and assoc. organs - gastrodermis
mesoglea middle jellylike layer in jellyfish
acoelomate animal without a body cavity
polyp sessile, colonial, asexual immature
medusa mobile, solitary, sexual - missing in Anthozoa
velum inner collar of tissue in Hydromedusa
Hydrozoa class of Cnidariams that include fresh water forms
alternation of generation changing of body form during life cycle
siphonophora floating Hydorzoan colonies
Portuguese M-o-war floating colony - dangerous
nematocycst stinging cell
cnidocil modified flagella- acts as trigger for nematocyst
penetrant carries poison - nematocyst
glutinent type of nematocyst that sticks
Scyphozoa true jellyfish, class name - emphasis on Medusa
Moon jelly have horseshoe shaped gonads - Seyphozoan
oral arms diagnostic for Schyphozoa- extensions of manubrium
Lion's mane largest Cnidarian
ephyrae immature jellyfish
strobila young scyphozoan polyp - cut into medusa
planula ciliated plankton form
Box Jelly very dangerous jellyfish in Australia
radial -Radiata body designed in a circle - filter feeding
Anthozoa class name for Anemones and corals
zooxanthellae common sadistic algae in coral tissue
mutualism partnership where both organisms benefit
gorgonians another name for soft corals
scleractinia modern hard corals
alcyonaria soft corals
Ctenophora comb jellies
colloblast sticky cell in comb jellies
comb plates fixed rows of cilia provide movement for ctenophores
Bilateral animals where mirror images down midline
Platyhelmenthes phylum name for flat worms
Nemertina ribbon worms - colorful
proboscis food capturing device in ribbon worms
Permian geologic period of mass extinction. Pangean formed
Rotifera phylum name for wheel worms - have twin bands of cilia
Bryozoa lace or moss animals - tiny polyp like filter feeders, encrust shells
Brachiopoda lamp shells, one shell larger than the other - look like clams
lophophore circlet of tentacles
Annelida phylum name for segmented worms - probably gave rise to Arthropods
ppolychaeta class name for marine annelids- largest group
parapodia fleshy appendages on each segment in Polychaetes - movement
Arthropoda largest phylum - means "jointed leg"
cephalothorax characteristic of crustacean - head and thorax joined
Trilobite most primitive Arthropod - extinct
ecdyasis (molting) shedding of old exoskeleton
chitin polysaccharide that make exoskeleton
mesoderm embryologic cell layer that makes muscle
wampum toothshells - used as $$ for/by Indians
plankton net catches plankton
Gastropoda class name for snails - means "stomach foot"
aperature opening to a snail shell
Blue-ringed octopus very poisonous
Echinoidea class name for sea urchins, sand dollars
hermaphrodism both sexes in one body
madreporite filter for water vascular system
torsion twisting of snails body
Scaphopoda class name for tooth shells - Dentalium
Asteroidea class name for sea stars
foot muscular appendage of molluscs - reason for their success
telson tail of crustacea
krill small crustacean, light organs, split legs - food for baleen whales
Crown of thorns eat corals, starfish
female crab with wide abdominal flap
aboral upper surface of seastar
octopus most intelligent invertrebrate - master of camoflauge
water vascular system system of tube feel in Echinoderms
nauplius planktonic larve of most crustacea
squid largest invertebrate
dextral snail shell that opens to the right
Decapoda class name of crustacean with 10 legs
Cephalochordata chordate with a head
deuterstomes embryonic development where blastopore becomes anus
Mollusca 2nd largest phylum - soft bodies
Pelecypoda (Bivalvia) class name for clams
Cambrian geologic period where Echinoderms, Arthrobods, Molluscs, Chordates appeared
theca main body region of an Echinoderm
hollow dorsal nerve cord characteristic of Chordates - retained throughout life
opisthosoma back half of body of chelicerate (spider)
mantle tissue that secretes shell in molluscs - multicolored in giant clam
ambulacral groove or plate where tube feet are located
sinistril snail shell that opens to the left
fiddler male crab with one large claw
notochord chordate characteristic - ling rod-like structure
copepods microscopic crustacean - imp. 2nd order consumers in ocean
choncologist a person who studies shells
nudibranchs shell-less marine snails - often brightly colored
pentamerous 5 part radial symmetry
neotony condition in nature where the immature form becomes reproductive
radula rasping tongue of snails
heterocercal type of tail fins of sharks where vertebra goes to end
lateral line series of organs on side of fish sensitive to vibration
Urochordata phylum of sea squirts - chordate characteristics in larva only
lobe-finned (Sarcopterygia) believed to give rise to amphibians 1:2:5 bone
Cetacea whales and dolphins
ray-finned (Actinopterygia) modern fish overlapping scales
endothermic homoiotherm warm bloodedness
palatoquadrate upper movable jaw of shark
Agnatha jawless fish - includes lamprey
Chondricthyes jaws; class of sharks and rays
Osteichthyes bony fish
Cephalization having a head
Busycon perversum pulleyi the lightning whelk. Texas state shell
Echinodermata phylum name means "spiny skin"; includes the sea star
1:2:5 bone formula of terrestrial vertebrates
3 semicicular canal this sense organ in 3 directions; allows for better sensing in a pelagic lifestyle
Amniotic type of egg that allowed reptiles to move on land
Amphibians Tertrapods:first vertebrates to come on land; had functional limbs; reproduce in water
Ampulla of lorenzini sensory pits found in snout of sharks used in electro-perception
Aves name for birds
Baleen a sieve-plate used by largest whales to strain food
Blue Whale largest animal that every lived
Coelocanth type of lobe-finned fish that was thought to be extinct and was caught off coast of Africa
Echo location method used by Cetaceans in which sound helps them find food
Gap & suck type of feeding used by Telosteans
Great White largest meat-eating shark
Keel name of extensions of the sternum of birds that allows for better muscle attachment
Kemp's ridley small sea turtle spawns during the day and is most endangered species of sea turtle
Manatee friendly sea mammal is found in Florida and is endangered by boat propellers: also called sea cow
Melon large organ located in front of cranium in dolphins; used to help focus sound waves
Mystacoceti family name of Baleen whales
Oil-filled liver sharks are buoyed by this organ
Pinnipeds name of groupo of fin-footed; includes the seal
Placoderm extinct group of heavily armored jawed fishes; first true ossified bones
Placoid scales that sharks have - similar to teeth
Porpoise smallest Cetacean that has flattened teeth and no snout
Reptiles first true terrestrial vertebrates; had amniotic egg; scales on skin and internal fertilization
Right whale whale is considered very endangered; was at one time considered to be the whale of choice because it was easy to kill and it floated when dead
Spiricle opening behind the skull of sharks and rays that allows for water passage
Swim bladder gas filled organ used for buoyancy in bony fish; believed to have given rise to lungs in terrestrial amphibians
Temporal fenestra opening in skull that allowed for better attachment of jaw muscle
Whale shark largest fish (plankton feeder)
Created by: gpayne