mrs. luff unit #9 animal cards. 1 st characteristic of animals multi-cellular similar cells work...
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MRS. LUFF
Unit #9Animal Cards
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1st Characteristic of Animals
Multi-cellular Similar cells work together to perform life functions Differentiation – cells develop into different kinds of
cells Skin cells Gut cells Brain cells
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2nd Characteristic of Animals
Eukaryotic Contain a nucleus and other cell parts
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3rd Characteristic of Animals
Heterotrophs Consume other organisms to get needed energy Omnivore – consume plants and animals Carnivore – consume animals Herbivore – consume plants
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4th Characteristic of Animals
Sexual Reproduction Sperm fertilizes the egg Zygote divides many times to form embryo
Genetic diversitySome animals reproduce asexually as well
Hydra sponges
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5th Characteristic of Animals
Movement To find food, shelter or mates Some move only during part of their life cycle
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6th Characteristic of Animals
Maintain Body Temperature Two ways
Use energy released by chemical reactions Birds and mammals
Rely on environment Amphibians and reptiles
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InvertebratesInvertebrates CharacteristicsCharacteristics
1. Porifera2. Cnidaria3. Platyhelminthes4. Nematode5. Echinoderma6. Annelid7. Mollusks8. Arthropod
No backbone Lack strong
support smaller size 95% of animal
species
Two Main Groups
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VertebratesVertebrates CharacteristicsCharacteristics
Chordates Have backboneAnimals have strong
support Larger in size
5% of animal species
Two Main Groups - Continued
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CharacteristicsCharacteristics ExamplesExamples
MarineHas pores
Por means little hole
Asexual Reproduction budding
Ocean Sponges
Porifera
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CharacteristicsCharacteristics ExamplesExamples
Hollow GutTentaclesStinging CellsMarine
Medusa type Jellyfish
Polyp type Hydra Sea anemones Sea Fan Coral
Cnidaria
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CharacteristicsCharacteristics ExamplesExamples
Simplest WormsFlat Body
Plat means flat Helminthes means
worm
Definite Head
TapewormPlanariaFluke
Platyhelminthes
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CharacteristicsCharacteristics ExamplesExamples
Round BodyLengthwise Muscles
“whip” movement
Vinegar Eel WormPin WormHeart WormHookworm
Nematodes
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CharacteristicsCharacteristics ExamplesExamples
Most Advanced Worms
Segmented BodyTrue Brain
EarthwormSandwormLeech
Annelids
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CharacteristicsCharacteristics ExamplesExamples
Mollusk means muscle
Soft BodyMay Have a Shell
Bivalve, univalve, no shell
Muscular “foot”
ClamSnailOctopusSquid
Mollusks
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CharacteristicsCharacteristics ExamplesExamples
Spiny SkinRadial ShapeTube FeetMarine
Sea StarSea UrchinSea CucumberSea Biscuit
Echinoderm
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CharacteristicsCharacteristics ExamplesExamples
Jointed AppendagesExoskeletonLargest Group of
Animals Crustacea – 2 body
sections, 10 legs Insecta – 3 body
sections, 6 legs Arachnids – 2 body
sections, 8 legs myriapods – segmented
appearance, many legs
CrayfishGrasshopperSpidersmillipede
Arthropod
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CharacteristicsCharacteristics ExamplesExamples
Dorsal Nerve CordGill SlitsVery Diverse
Fish – mucus and scales
Reptile – dry and scales
Amphibian – mucus Birds – feathers Mammals – hair, live
birth
Shark, perch, troutTurtles, snakes,
lizardsFrog, salamanderOstrich, robin,
pheasantDog, cat, whale,
human
Chordates