Term
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Definition
| clade of animals with true tissue |
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Term
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Definition
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Term
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Definition
| true feeding structure called a lophophore |
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Term
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Definition
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Term
| Deuterosomes(vertebrates) |
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Definition
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Term
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Definition
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Term
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Definition
| have ectoderm(germ layer covering embryo surface) and an endoderm (innermost germ layer of tissues and organs) |
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Term
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Definition
| ingest their food for energy |
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Term
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Definition
| multi celled eukaryotes, cells lack cell wall, held together by protein, nervous/muscle tissue |
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Term
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Definition
| cleavage then blastula then gastrula |
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Term
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Definition
| earliest known animal ancestors |
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Term
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Definition
| first appearence of major groups of animals. HOXX genes and atmospheric oxygen led to diversification |
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Term
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Definition
| animals and vertebrates went to land |
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Term
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Definition
| Mass extinction and insects diversified |
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Term
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Definition
| members share key biologic feature |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| capture food in water that pass through body |
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Term
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Definition
| collar cells that generate current through sponges |
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Term
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Definition
| sack w/ central digestive compartment (GASTROVASCULAR CAVITY); single opening functions as mouth and anus. POLYP or MEDUSA |
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Term
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Definition
hydrozoa-portguese man of war
scyphozoa-jellies
cubozoa-box jellies
anthozoa-sea anemones, coral |
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Term
| PHYLUM Platyhelminthes(worms) |
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Definition
Turbellaria-flatworms
Monogenea-monogeneas
Trematoda-trematodes
Cestoda-tape worms |
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Term
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Definition
| horshoe shaped suspension feeding organ with ciliated tentacles |
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Term
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Definition
Muscular Foot
Visceral Mass
Mantle |
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Term
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Definition
polyplacophora-chitons(shell w/8 plates)
Gastropoda-snails,slugs
Bivalvia-clams,mussels,oysters
Cephalopoda-squids,octopuses |
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Term
| Phylum Annelids(series fused rings) |
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Definition
Oligochaeta-Marine/Freshwater worms
Polychaeta-Marine Warms
Hirudinea- Leeches |
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Term
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Definition
| roundworms, sexual reproduction, alimentary canal, lack circulatory system |
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Term
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Definition
Cheliceriformes-spides,scorpions;6 pairs
Myriapoda- Millpedes/Centipedes
Hexapoda-insects;head,thorax,abdomen
Crustacea-crabs,shrimp,crayfish |
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Term
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Definition
hardbody
segemented body
evolution decrease appendage #
open circulatory system |
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Term
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Definition
| terrestrial freshwater and marine species |
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Term
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Definition
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Term
| Phylum Echinodermata (spiney skin) |
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Definition
| sea stars,sea cucumbers,sand dollars |
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Term
| Deuterosomes(Chordates & Echinoderms) |
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Definition
Radial Cleavage
Mouth at end embryo opposite blastopore |
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Term
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Definition
| Vertebrates/Invertebrates |
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Term
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Definition
| Belong to clade: Deuterostomia |
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Term
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Definition
Notochord-Support
Dorsal-Hollow nerve cord
Pharangeal slits-gas exchange
Muscular post anal tail |
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Term
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Definition
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Term
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Definition
| Skull,brain,eyes,sensory organs,heart |
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Term
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Definition
| chordates with brain,eyes,muscles and NO true skull |
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Term
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Definition
| Brain,eyes,muscles and true skill. Later involved into vertebrates |
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Term
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Definition
| duplicated= led to vertebrates |
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Term
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Definition
| first vertebrates with mineralized skeletal elements |
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Term
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Definition
| originated in mouth parts and later whole body |
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Term
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Definition
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Term
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Definition
| skeleton composed of catilage(Sharks,Rays) |
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Term
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Definition
oviparous-eggs hatch outside
ovoviviparous-embryo within uterus
viviparous-yolk sack |
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Term
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Definition
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Term
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Definition
| turned into limbs of vertebrates |
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Term
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Definition
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| tetrapods whos living members are reptiles; impermeable skin |
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Term
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Definition
lizards,snakes,turtles,birds
scales-waterproof barrier
lays eggs on land |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| amniotes with hair,milk,large brain,different teeth and evolved from synapsids |
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Term
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Definition
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Term
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Definition
| embryo develops in placenta |
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Term
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Definition
| embryonic development in uterus |
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Term
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Definition
| finger toes with grasping capabillities |
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Term
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Definition
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Term
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Definition
| walked upright; human branch |
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Term
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Definition
| 4-2mya, sturdy skull/jaws |
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Term
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Definition
| 2.4-1.6mya and stone tools were used |
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Term
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Definition
| 1.9-1.5mya, fully bipedal, large brain,sexual dimorphism |
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Term
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Definition
| 1.9-1.5mya, first to leave africa |
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Term
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Definition
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Term
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Definition
| 195000ya, living descendents of human |
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Term
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Definition
upright pisture
big brain
language
use tools
small jaw
short digestive tract |
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Term
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Definition
| underwent intense natural selection and led to language and brain growth |
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