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Introduction to Life Science

TermDefinition
life process things an organism must do to stay alive
Ingestion when animals ‘take in’ (eat) food
Digestion when food is changed to a form an organism can use
Cellular Respiration process of changing energy from food into energy that an organism can use
Transport the moving of nutrients and waste products through an organism
Excretion getting rid of waste
Cell the smallest unit of life
homeostasis the ability to maintain a stable environment inside the body
stimulus or stimuli change in the environment
response a reaction to a change in the environment
organism a living thing; can be a plant, animal, fungus, or single-celled
biotic currently living or used to be living
abiotic not living and never lived
autotroph an organism that makes its own food (plants are autotrophic)
heterotroph an organism that needs to get its food from eating other organisms (animals and fungi are heterotrophic)
adapt the act of changing to live in an environment
Created by: mrsstrouse
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