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kingdoms under Eukarya
- animals
- plants
- fungi
- protists
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characteristics of animals (6)
- multicellular
- consume bodies of others
- reproduce sexually
- lack a cell wall
- motile
- respond to external stimuli
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vertebrates
- animals with a backbone
- fish
- amphibians
- reptiles
- birds
- mammals
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invertebrates
- animals with no backbone
- sponges
- cnidarians
- annelids
- arthropods
- insects
- arachnids
- crustaceans
- mollusks
- chordates
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sponges
- colony of single celled organisms
- many sizes shapes and colors
- all live in water
- reproduction by budding
- water filtered for oxygen food and waste
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cnidarians
- tentacled predators
- jellyfish
- sea anemones
- corals
- hydrozoans
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annelids
- segmented worms- predatory or parasitic
- marine worm
- earthworm
- leeches
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arthropods
- insects
- arachnids
- crustaceans
- have an exoskeleton
- dominant animals on earth
- animal molts
- segmented - head, thorax, abdomen
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insects
- 3 pairs of legs
- metamorphosis - larva, pupa, adult
- larva- worm like hatches from an egg
- pupa-encased in an outer covering
- adult- usu. diff. food source than larva, reproduces
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arachnids
- spiders, mites, ticks
- most are carnivores
- often predigest food outside body then drink the liquid remains
- well developed eye sight
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crustaceans
- crabs, lobsters, shrimp, barnacles
- live primarily in water
- 2 pairs of antenae
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mollusks
- all aquatic except snails and slugs
- gastropods
- bivalves
- cephalopods
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gastropods
- snails and slugs
- crawl on large muscular foot
- feed with radula (spined scraper)
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bivalves
- scallops, clams, mussles
- 2 shells connected by a hinge
- filter feeders
- have gills
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cephalopods
- all marine
- octopus, squid, nautilus
- have tentacles, beaklike jaws
- highly developed brains and sensory systems
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chordates
- invertebrate and vertebrate forms, all have:
- notochord
- dorsal hollow nerve cord
- pharyngeal gill slits
- post-anal tail
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notochord
stiff flexible rod length of body
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dorsal hollow nerve cord
hollow structure thickens at one end to make a brain
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pharyngeal gill slits
- in the pharynx
- functional gills or only appear in development
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post-anal tail
extention of body past anus
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lancelets
tiny fishlike creatures that spend most of life buried in sand
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tunicates
- sea squirt animals
- adults look like sponges
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vertebrate changes
- notochord replaced by a vertebral column
- spine made of cartilage or bone and is living internal tissue
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cartilaginous fish
sharks
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bony fish examples
- anglerfish
- coelacanth
- sea horse
- morey eel
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amphibians
- 3 chambered heart
- inefficient lungs, need skin too
- eggs laid in water
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reptiles
- lizards, snakes, turtles, alligators, crocodiles
- waterproof: scales, fertilization, eggs
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birds
- from dinosaurs
- feathers specialized scales
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characteristics of mammals
- hair/fur
- milk producing glands
- sweat and oil glands
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