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Animal science words

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Term
Definition
environment   the natural world; surroundings in which a person, animal, plant lives.  
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life cycle   series of changes in life of an organism: birth , reproduction (having babies), death. MAMMAL LIFE CYCLE: Embryo, Babies, Young animals, Adult.  
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mammal   Animal that breathes air, has a BACKBONE (vertebrae), and grows HAIR/FUR. Females have live babies and also glands that can produce MILK (humans, horses, dogs, cats, etc)  
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amphibian   cold-blooded animals with SPINES/BACKBONES, like frogs & salamanders, that live in WATER as babies but can live & breathe on LAND as adults LIFE CYCLE OF A FROG: Frogs eggs lay hatch in water, Young tadpole have gills, older tadpole grows legs and sta  
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instinct   natural behavior and reactions that an organism is born with  
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population   a group of same organisms that live in the same place at the same time  
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predator   an animal that lives by capturing and eating other organisms  
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prey   an animal that gets captured and eaten by predators  
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organism   any individual life form (animal, plant, or single-celled), that can function on its own  
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habitat   the natural home, environment in which a person, plant, or other organism lives  
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embryo   unborn or unhatched baby, as it develops  
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tadpole   the larval stage in life cycle of amphibian (frog or toad), usually living in the water. "Pollywog"  
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community   a group of various species that interact in a common environment  
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larva (larvae)   baby form of insect or amphibian, after it's an egg & before it morphs into adult (caterpillar -> butterfly )  
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pupa (pupae)   cocoon stage of an insect, between larva and adult  
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nymph   baby (immature) form of some insects before morphing into adult  
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adaptation   changes in an organism that help it survive and multiply (have babies) in its environment: results from natural selection  
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vertebra (vertebrae)   Backbone or spine in mammals  
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gills   the pair of breathing organs on fish and some amphibians; they get oxygen out of the water so the fish / amphibian can live  
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metamorphosis   (in an insect or amphibian) the changing from an immature (baby) form to an adult form in two or more separate stages  
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eggs   function: (1) provide food (2) protect embryo  
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