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What type of symmetry?
What phylum? common name?
- Asymmetrical
- Porifera
- sponge
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- A. acoelomate
- B. pseudocoelomate
- C. eucoelomate
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circulatory system? phylum? class?
- closed circulatory system
- Phylum Annelida
- Class Oligochaeta
- oli = few
- anatomy: prostomium, mouth, anus, body segments, clitellum, pharynx, cerebral ganglion, esophagus, crop, gizzard, dorsal vessel, lateral vessels, heartlets, metanephridia, testis, seminal vesicles, seminal receptacles, ovaries.
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Latin/Greek root word:
little ring
annelus
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Latin/Greek root word:
flower
antho
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Latin/Greek root word:
jointed
arthro
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Latin/Greek root word:
bladder
askos
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Latin/Greek root word:
star
aster
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Latin/Greek root word:
self
autos
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Latin/Greek root word:
bird
avis
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Latin/Greek root word:
arm
brachion
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Latin/Greek root word:
short
brevis
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Latin/Greek root word:
moss
bryon
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Latin/Greek root word:
head
cephalus
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Latin/Greek root word:
margin, lip
cheilos
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Latin/Greek root word:
cord
chorda
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Latin/Greek root word:
hollow vessel
cytos (kytos)
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Latin/Greek root word:
skin
derm
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Latin/Greek root word:
double, two
diplos
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Latin/Greek root word:
horrible
dino
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Latin/Greek root word:
spiny
echino
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Latin/Greek root word:
outside
ectos
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Latin/Greek root word:
within
endon
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Latin/Greek root word:
gut
enteron
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Latin/Greek root word:
true
eu
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Latin/Greek root word:
bearing
fera
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Latin/Greek root word:
whips
flagella
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Latin/Greek root word:
stomach
gastro
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Latin/Greek root word:
jaw
gnathos
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Latin/Greek root word:
naked
gymnos
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Latin/Greek root word:
worm
helminthes
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Latin/Greek root word:
different
heteros
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Latin/Greek root word:
same, common
homos
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Latin/Greek root word:
fish
ichthys
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Latin/Greek root word: nettle
knide (cnide)
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Latin/Greek root word:
hollow
koilos (coelos)
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Latin/Greek root word:
flat
platy
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Latin/Greek root word:
breast
mamma
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Latin/Greek root word:
middle
mesos
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Latin/Greek root word:
soft
molluscus
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Latin/Greek root word:
back
noton
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Latin/Greek root word:
bone
osteon
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Latin/Greek root word:
mold
plasma
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Latin/Greek root word:
foot
pod or pous
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Latin/Greek root word:
pore
porus
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Latin/Greek root word:
anus
proctos
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Latin/Greek root word:
wise
sapiens
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Latin/Greek root word:
lizard
saur
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Latin/Greek root word:
spine
spinus
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Latin/Greek root word:
feeder
trophos
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Latin/Greek root word:
tail
uro (oura)
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Latin/Greek root word:
animal
zoon (zoa)
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phylum? class? characterisitics?
- platyhelminthes
- turbellaria
- mostly parasitic
- internal, not so specialized
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- platyhelminthes
- trematoda
- anatomy of typical planarian: head, eye spots, pharynx, gastrovascular cavity
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- phylum nematoda
- (round worm)
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phylum? class?
scallops, clams, oysters
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phylum? class?
snails, slugs, nudobranchs
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phylum? class? legs?
squid, octopus, nautilus, cuttlefish
- mollusca
- cephalopoda
- 10 legs
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what phylum do jellyfish belong?
chidaria
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What type of symmetry do sea stars have?
pentamerous radial symmetry
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What phylum do sea stars belong?
echinodermata
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What does ectoderm become? (5)
hair, nails, epidermis, brain, nerves
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What does mesoderm become? (7)
notochord (in chordates), dermis, blood vessels, hearts, bones, cartilage, muscle
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What does endoderm become? (4)
internal lining of the gut and respiratory pathways, liver, pancreas
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How many germ layers do Cnidarians have?
two (diploblastic)
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What animal is triploblastic?
humans
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In Protostome gastrulation, what forms first?
mouth
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In Deuterstome (echinoderms and chordates) gastrulation, what forms first?
anus
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What type of gut do sponges (phylum Porifera) have?
no gut
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What kind of gut does phylum Cnidaria have?
blind sac gut
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Name three animals with complete gut.
earthworm, grasshopper, bird
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acoelomate: lacks cavity between gut and outer body wall
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eucoelomate: body cavity completely lined with mesoderm
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Psedudocoelomate: body cavity partially lined with mesoderm
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Lobster segmentation:
Abdomen, Cephalothorax, Thorax, Head, Antennae, Mouthparts, Pincers, Walking legs, Swimming appendages
- Phylum Arthropoda
- Subphylum Crustacea
- 10 LEGS
- (Crabs, shrimps, lobsters)
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Name two animals that demonstrate coloniality:
- Coral
- Portuguese man-of-war (polymorphic)
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cnidarian poly anatomy: body column, mouth, tentacles, epidermis, gastrodermis, gastrovascular cavity, ovary, testis and asexual bud
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- feeding and reproductive polyps of a hydrozoan colony
- cnideria
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- cnideria
- anatomical features of hydrozoan medusae:
- mouth (in middle: not shown)
- manubrium
- tentacles
- gonad
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- cnideria
- hydrozoan medusae (Obelia)
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- cnideria
- hydrozoan medusae (Gonionemus)
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phylum? class? characterisitics?
- cnideria
- anatomical features of scyphozoan medusae (Aurelia)
- oral arms, tentacles, rhopalia, gonads, radial canals
- true jellies, medusa dominant
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phylum? class? characterisitics?
- typical anemone anatomy: mouth, pharynx, tentacles, gastrovascular cavity, mesenteries, and acontia.
- cnideria
- anthozoa
- corals, anemones
- no medusae stage, poly is both sexual and asexual
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- typical trematode (digenetic fluke) anatomy: oral sucker, ventral sucker, gut, excretory pore, testis, ovary, yolk gland, uterus and seminal vesicle.
- platyhelminthes
- trematoda
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Typical tapeworm (Phylum Platyhelminthes Class Cestoda) anatomy: scolex, proglottid, testis, ovary, uterus, vas deferens, vitelline gland, vagina, and genital pore.
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sporocyt, redia, cercaria, adult
Fluke life cycle stages
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