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Terms
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- Larva
- is an immature individual that looks different from the adult animal
- verterbrate
- has backbone
- coelom
- segment worm which is completley lined by tissue derived from mesoderm
- cephalization
- whereby nervous tissue, over many generations, becomes concentrated toward one end of an organism. This process eventually produces a head region with sensory organs.
- sac like gut
- has one opening serving both mouth and anus
- Porifera
- Sponges 0 sessile feeders
- Cnidaria
- Jellyfish 0 vases or umbrellas
- Platyheliminthes
- flat worms 1,2 brain senses light flat
- nematodes
- roundworms 1-3 no muscle around gut parasites
- Molluscus
- snails octopuses 1-4
- annelidas
- earthworms, leeches all 5 segments tiny rings
- antropods
- all 5 insects jointed foot
- echinoderms
- sea stars 1,3,4 bony plates
- medusa
- umbrella jelly fish
- free-living flat worm
- has ead with pair of light sensitive eyes
- fluke
- lives as parasites in other animals many have suckers
- tape worms
- live in digestive tracts of vertebrates
- radula
- rasping tongue scrapes food
- gastropod
- uni shells snails
- trichinosis
- disease from under cooked pork round worm
- cephalopod
- quick agile squid or octopus
- open ciclutary
- into open cavities where organs are bathed in blood
- closed cirlutary
- inclosed vessels as it distributes nutrients and oxygen throughout body
- polychaetes
- mostly marine, paddle like,
- LEECHES
- blood sucking, small carnivores
- crustaceas
- nearly all auquatic lobsters
- milipedes
- eat plants
- tunicates
- small sacs, stationary, filter feeders
- notochord
- flexible supportive rod between the digestive tract and the nerve chord
- myotomes
- blocks of muscles flanking the spine
- agnathans
- skull gill muscles
- placoderms
- hinged jaw teeth verterae fins
- lobe finned fish
- fleshy fins lungs
- amphibians
- true lungs legs
- reptiles
- scaly skin lungs with greater surface area expanable rib cage amniote egg legs under body
- birds
- warm blooded feathers hollow bones
- mammals
- fur mammary glands parental care
- primates
- oposbale thumbs steroscopic vision big brains
- homo
- upright gait tools intellegence
- jaws evoled from
- gill bones
- teeth evolved from
- scales
- arms and legs
- lobed fin fish
- lungs
- swim bladder, throat pouch
- swim bladder
- lungs balooned
- epithelial
- tissue lines organs
- nervous tissue
- sense stimulis
- sqaumous
- layers
- cuboidal
- cubed
- columnar
- hieghts twice width
- adipose
- stores fat
- gills
- outfolding meant for gases exchange
- tracheal system
- is an extensive system of tubes
- operculum
- a flap of the bony fish covering the gills.
- spiracle
- external hole of the insext tracheal system
- larynx
- voicebox
- trachea
- windpipes
- bonchi
- conducts air into lungs
- epiglottis
- flap
- viens
- to heart
- systemic circulation
- heart to rest of body
- ventricle
- pumps blood out of heart
- styole
- heart contraction
- distole
- heart relaxs
- hypertension
- high styoilic rate
- erythrocytes
- red blood cell
- luekocytes
- white blood cell
- spleen
- kills old bloodcelss
- thymus
- stimulate t cell production
- humoral
- refers to making antibodies to fight