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BIOS 202 EXAM 2
Animals
98
Biology
Undergraduate 2
02/18/2009

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Term
Ichthyosporea
Definition
three weird groups, monophyletic
Term
Porifera
Definition
sponges: choanocytes, aquatic, no true tissues, hermaphrodite
Term
*Polyp/Medusa
Definition
P-body stalk, M-free-moving; gastrovascular cavity, mesoglea, tentacles
Term
Cnidaria
Definition
monophyletic, stinging jelly: polyp and medusa stages.
Term
Hydrozoa
Definition
polyp and medusa, polyp colonial: hydra, coral, Portuguese man-of-war
Term
Scyphozoa
Definition
jellies, sea nettles: marine, reduces polyp
Term
Cubozoa
Definition
box jellies, sea wasp: marine, box-shaped medusae, complex eyes
Term
Anthozoa
Definition
anemones, corals, sea fans: marine, no medusa, heerotrophs
Term
Ctenophora
Definition
sticky jelly-like, 8 comb rows of cilia on sides
Term
Radiata
Definition
Ctenophora and Cnidaria: radial symmetry
Term
Placozoa
Definition
tablet animals, compact genome
Term
Myxozoa
Definition
small parasites: alt hosts b/w fish and worm, whirling disease
Term
Bilateria
Definition
bilateral symmetry, hox genes, triploblastic à proto/deutero
Term
Protostome
Definition
protostome=mouth from blastopore
Term
Deuterostome
Definition
deuterostome=anus from blastopore
Term
Ecdysozoa
Definition
shed exoskeletons
Term
Lophotrochozoa
Definition
lophopho/trocho
Term
Lophophorata
Definition
small sessile marine filter feeders, ring of ciliated tentacles around mouth
Term
Trochozoa
Definition
2 bands of cilia around larvaeàNemertini/Mollusca/Annelida
Term
Nemertini
Definition
ribbon worms, marine, predators, EVERSIBLE PROBOSCIS?
Term
Mollusca
Definition
most diverse 100,000+ mantle excretes nacre, respiratory organs in cavity àPolyplac/Bivalvia/Gastro/cephalo
Term
Polyplacophora
Definition
chitons: 8 plates make up shell, unsegmented marine sessile
Term
Bivalves
Definition
mussels, clams, etc: 2 shell halves, aquatic, suspension feeders
Term
Gastropods
Definition
1 piece spiral shell: snails, slugs etc. aquatic/terrestrial
Term
Cephalopoda
Definition
quids, octopi: funnels, arms, beaks, marine, tentacles
Term
Annelida
Definition
segmented worms: leeches, earthworms etc. chaetae=chitin bound in protein à polychaeta/oligo/hirudinea
Term
Polychaeta
Definition
marine worms: parapodia with chaetae
Term
Oligochaeta
Definition
earthworms: reduced head, no parapodia, yes chaetae
Term
Hirudinea
Definition
leeches: parasites, predators, scavengers
Term
Platyhelminthes
Definition
unresolved>lophopho - acoelomate no body cavity *diverse, most parasites àTurbellaria/Trematoda/Cestoda
Term
Turbellaria
Definition
marine flatworms, predators and scavengers, ciliated body
Term
Trematoda
Definition
flukes: vert parasites, 2 suckers, intermediate hosts
Term
Cestoda
Definition
tapeworms: parasites, scolex, no head/digest syst
Term
Ectoprocta
Definition
************************
Term
Nematoda
Definition
roundworms: aquatic, soil, moist plant tissues, inside animals: cylindrical bodies with cuticles: herb/predators/parasites, free-living eg. c.elegans, pinworms, hookworms, ascarids, enoplida -very bad diseases
Term
Arthropoda
Definition
millions species, jointes limbs, chitin exoskel
Term
Chelicerata
Definition
8 segmented cephalothorax, appendages 100,000 species - arachnida
Term
*Arachnida
Definition
8 legs
Term
Araneae
Definition
spiders: predators, little metamorphosis
Term
Acari
Definition
mites, ticks
Term
Myriapoda
Definition
many feet, 13,000+ species
Term
Chilopoda
Definition
centipedes: 1 leg pair per seg/venomous predators
Term
Diplopoda
Definition
millipedes: 2 leg pair per seg/scavengers not predaceous
Term
Crustacea
Definition
50,000 species, antennae, 6+legs, aquatic: crabs/lobsters etc.
Term
Cirripedia
Definition
barnacles on boat docks
Term
Decapoda
Definition
hermit crabs
Term
Isopoda
Definition
most soil
Term
Hexapoda
Definition
6 legs on abd, head/mouth distinctive, monophyletic
Term
Collembola
Definition
springtails: globular/long, 6,000 species
Term
Thysanura
Definition
silverfish and firebrats abt 300-400 species, terrestrial
Term
Pterygota
Definition
winged insects, aquatic larvae
Term
Ephemerata
Definition
mayflies; aquatic nymphs feed on algae 2500 adults don't feed
Term
Odonata
Definition
dragonflies/damselflies 5000 aquatic predac nymphs, adults pred
Term
Lepidoptera
Definition
scales on wings, 120,000 moths/butter, herb larvae, adult pollin
Term
Hymenoptera
Definition
wasps, ants, bees, sawflies 125,000 herb pred para
Term
Neuroptera
Definition
10,000 predaceous: lacewings, antilions, owflies?
Term
Trichoptera
Definition
caddisflies: hairy wings, aquatic larvae, herb, 7000
Term
Echinodermata
Definition
7,000 sea urchin/cucumber, *fish, marine, pred/filter feed
Term
Chordata
Definition
notochord, dorsal hollow nerve cord, pharyngeal slits, post-anal tail
Term
Urochordata
Definition
tunicates 3,000 marine filter feeders
Term
Cephalochordata
Definition
lancelets anchored sand, suspension feed, chordate as adult
Term
Craniata
Definition
skull, brain, eyes, neural crest
Term
Hyperotreti
Definition
hagfish, enter fish gills parasite, no backbone
Term
Hyperoartia
Definition
Lamprey bore into fish, spinal column aquatic
Term
Gnathostoma
Definition
jawed vertebrates
Term
Chondrichthyes
Definition
1000 cartilaginous fishes: sharks, rays, skates
Term
Actinopterygii
Definition
ray-finned fish 30,000 fins
Term
Teleosts
Definition
most living ray-finned fish, 20,000 moveable jaw, symmetrical tails
Term
Sarcopterygii
Definition
lobe-finned fishes, terrestrial vertebrates: tetrapods
Term
Amphibia
Definition
5,000 metamorphosis, damp, external mating
Term
Amniota
Definition
amniotic eggs (membranous) impermeable skin, rib cage to ventilate
Term
Testudines
Definition
turtle-esque, 250 lay eggs bony shells, monophyletic
Term
Diapsida
Definition
2 holes on skull 15,000 à Lepido/Archo
Term
Lepidosauromorpha
Definition
lizards, snakes
Term
Archosauromorpha
Definition
crocodilians, birds, dinosaurs
Term
Crocodilians
Definition
theropoda*****
Term
Birds
Definition
theropoda***** 10,000 passerines=song birds 5500
Term
Tetrapoda
Definition
4 legged terrestrial animals
Term
Synapsida
Definition
mammals: hole in skull behind eye sockets
Term
Mammalia
Definition
mammary glands, hair 5,000
Term
Monotremes
Definition
one hole: platypus, echidnas
Term
Marsupials
Definition
born small travel to pouch feed on yolk sac, 334: 1 NA, 113C/SA, 200 Aus
Term
Eutheria
Definition
longer preg, complete devo in uterus, placenta, late cretaceous
Term
Rodentia
Definition
chisel-like incisors, herb. highest diversity
Term
Chiroptera
Definition
bats: flight, broad skinfold, carn/herb
Term
Scandentia
Definition
tree shrews sister taxa to primates
Term
Primates
Definition
hands/feet, nails, large brain, short jaw, eyes close together opposable thumb old world monkeys, chimps humans
Term
Carnivora
Definition
sharp pointed teeth, molars, carnivorous dogs, cats, bears, raccoons, weasels
Term
Homo
Definition
upright, larger brain, language, complex tools, reduced jaw
Term
Neoptera
Definition
bugs, beetles, wasps moths, etc. “newer wings”
Term
Orthoptera
Definition
grasshoppers, crickets, katydids 20,000 mostly herb
Term
Dictyoptera
Definition
cockroaches,termites,mantids, 4000,4000,2500 only mantids pred.
Term
Psocodea
Definition
9000 lice, booklice
Term
Thysanoptera
Definition
5000 herbivorous, some pred, wingless nymphs “fringed mouth”
Term
Hemiptera
Definition
80,000 bugs, cicadas aphids etc. piercing/suck mouth, herb/pred, half-membranous wings
Term
Endopterygota
Definition
insects with complete metamorphosis: larvae, pupae, adult
Term
Coleoptera
Definition
*350,000 herb, pred, para, decomp, beetles.
Term
Diptera
Definition
flies, 2 forewings, 150,000 pred,para,dec aquatic larvae
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