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the nutrients in soil is limited
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the acacia provides shelter and food for ants
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the ants protect the acacia by removing other insects and vines that might harm it
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an animal requires food
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mutualism has a positive impact on both organisms in the relationship
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an animal requires shelter
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if a living thing requires something then that something has a positive impact on that living thing
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ants are a kind of animal
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protecting a living thing has a positive impact on that living thing 's survival / health
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an ecosystem is a kind of habitat
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carnivores are a kind of animal
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if two or more carnivores share the same ecosystem then those carnivores may share the same food source
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if two animals have the same food source then those two animals compete for food
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if something has a negative impact on another thing, then the relationship is harmful
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some microorganisms have a positive impact on human body
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if something has a positive impact on another thing, then the relationship is benificial
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disease-causing microbes have a negative impact on the body
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an elk is a kind of animal
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wolves eat elk
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a predator eats other animals for food
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avoiding predators has a positive impact on the organism
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commensalism is a relationship between two organisms in which one benefits while not harming the other one
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cactus wrens building nests in cholla cacti does not harm the cholla cacti
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cactus wrens build their nests in cholla cacti to avoid predators
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water is a kind of nonliving thing
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a river is a kind of body of water
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a seed is a kind of young plant
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a rabbit is a kind of animal
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an animal is a kind of living thing
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a bird is a kind of animal
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a plant is a kind of living thing
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all living things are made of cells according to the cell theory
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nonliving things are not made of cells
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a part of an object is smaller in size than the whole object
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a plant cell is a kind of cell
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a cell is a kind of object
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a microscope is used to see small things by scientists by making them appear bigger
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a cell is very small
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a microscope is used to see small things by scientists by making them appear bigger
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as the size of an object appears larger , that object will be seen more easily
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an electron microscope is used for seeing very small objects by making them appear bigger
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an atom is exceptionally small in size
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a molecule is exceptionally small in size
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a microscope is used to see microscope things by scientists by making them appear bigger
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bacteria is small / microscopic in size
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decomposers are a kind of organism
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decomposition is a stage in the nutrient recycling process
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an organism is made of organic matter
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decomposition is when a decomposer recycles nutrients from dead organisms to the soil by eating those dead organisms
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a behavior is a kind of characteristic
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using tools is a learned characteristic
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an example of using tools is a chimpanzee digging for insects with a stick
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skills are learned characteristics / behaviors
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being able to read is a kind of skill
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driving is a kind of skill for operating a vehicle
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skills are learned characteristics / behaviors
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skills are learned characteristics / behaviors
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cooking is a kind of skill for preparing food
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an organism 's environment affects that organism 's acquired characteristics
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an animal is a kind of organism
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the condition of parts of an organism are acquired characteristics
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a wolf is a kind of animal
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fur is often part of an animal
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a food preference is a kind of preference
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learned characteristics are similar to acquired characteristics
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an animal is a kind of organism
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a dog is a kind of animal
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preferences are generally learned characteristics
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an organism 's environment affects that organism 's acquired characteristics
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if an animal is trained to do something then that something is a learned behavior
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some dogs are trained to scratch at the door when they want to go outside
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an example of following orders is coming when called
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following orders is a learned characteristic
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a utensil is a kind of tool for eating
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using tools is a learned characteristic
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a fork is a kind of utensil
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hunting is a kind of skill
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skills are learned characteristics / behaviors
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animals sitting on command is an example of animals following order
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a dog is a kind of animal
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following orders is a learned characteristic
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inheriting is when an inherited characteristic is passed from parent to offspring by genetics / dna
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a food preference is a kind of preference
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preferences are generally learned characteristics
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inherited characteristics are the opposite of learned characteristics
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personality is an acquired characteristic
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inherited characteristics are the opposite of acquired characteristics
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inheriting is when an inherited characteristic is passed from parent to offspring by genetics / dna
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genes are able to determine the inherited characteristics of a living thing
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a person is a kind of living thing
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atheletic ability is a kind of acquired characteristics
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inherited characteristics are the opposite of acquired characteristics
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the intelligence of animals is an acquired characteristic
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inherited characteristics are the opposite of acquired characteristics
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a human is a kind of animal
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birds avoid a specific kind of butterfly
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learned behaviors are learned over the lifetime of the animal
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birds eat butterflies
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a butterfly is a kind of animal
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a bird is a kind of animal
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