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Characteristics and Needs of Living Things

a data set by ltkube
created October 5, 2016
COPY & EDIT
FAMILY TREE
VocabularyDefinition
digestionBreaking down of food for nutrition
excretiongetting rid of wastes
respirationexchange of gases
ingestiontaking in of food for energy
nutritionfood needed for energy
reproductionthe process of creating more organisms from existing ones
growth/developmenthow an organism changes over time
oxygenthe gas that animals need to breathe
carbon dioxidethe gas that plants need in order to survive
water70% of our body: keeps us hydrated
energywhat we get from our food-it all starts with the sun
living spaceprovides food, shelter, and water for living things
competitionthe simultaneous demand by two or more organisms for limited resources
endothermicwarm-blooded; body temperature stays the same
ectothermiccold-blooded; body temperature changes with environment
homeostasisthe ability to maintain constant, stable internal conditions
unicellularsingle-celled organism
multicellularan organism that has more than one cell
cellbuilding blocks of all living things
tissuesimilar cells that work together
limiting factoran environmental factor that slows the growth or activities of an organism
organ systemsimilar organs that work together
organismthe highest level of organization of living things
adaptationa change that makes it easier for an organism to survive in its environment
metabolisma balance between an organism's energy producing processes and its energy using processses
responsea reaction to a stimulus
organsimilar tissues that work together
stimulusa change in the environment
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