genetics. what is a trait? trait: characteristics that determine how an organism looks, acts, or...
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Heredity ReviewGenetics
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What is a trait?Trait: characteristics that determine how an organism looks, acts, or functions.
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List as many traits as you can!SizeSkin colorHair colorEye color/shapeWidow’s peakStraight hair or curly
hairMild mannered/wild
Hitch hiker’s thumbCleft chindimplesTaste PTCEarlobes Roll tongueRight/left handedHow you cross your
hands
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Tell your neighbor EVERYTHING You remember about traits.What are some of your traits?
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What is an environment?
Environment: the surroundings in which an organism lives.
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What are some organisms that may live in these environments?Forest: trees, algae, moss, flowers, lilypadsElk, deer, squirrels, chipmunks, bears,
wolves, birdsOcean: coral, sharks, stingrays, anemone, sea
turtles,Fish, dolphin, algae, starfish, octopusDesertTortoise, scorpion, lizards, snakes
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What is a learned behavior?Learned behavior: an action that is learned through trial and error or is brought about by the environment.
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List as many learned behaviors as you can!(at least 2 animal and 2 plant behaviors)WalkRunPlay pianoCartwheelTalkSingUse utensilsWrite ReadRide a bike
Tie shoesTypeAnimals: Learn tricksBark to come Inside.Plant: grow Up a lattice.Turn to sun
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Instinct vs Learned BehaviorDiscuss with your neighbor ways to remember the difference.
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What is an INSTINCT?Instinct: behaviors that are inherited from the parent organism.
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List as many instincts as you can!EatSleepLaughBlinkCryHearDogs sense of smellCats chaseFish swimSmileSmell Bark at
Strange soundsBreatheShape of leafBaby turtles go To oceanscream shape of flower
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What is a specialized structure?Specialized structure: a body part unique to a species for survival in its environment.
For an extra point(s), name a specialized structure and the function.
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What is a parent organism?Parent organism: producer of offspring.
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Give the definition for speciesSpecies: a certain group of plants or animals that can only reproduce among themselves.
For an extra point give examples.DogsCatsRabbits
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What is a variation?Variation: differences in
appearances of an inherited trait among the members of a group (species)
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Name an organism that does not resemble parents in beginning.FishFrogsPlantsFlowersAmphibiansInsects
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ExplainWhy do some organisms look like the parent and some do not, in the beginning?