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T1 Charact. Of Life

Characteristics of Life Topic 1 9 flashcards

Organism A "living thing" that has all the characteristics of life
Cell Smallest living part of an organism that can live by itself
Stimulus Anything an organism responds to (bright light, hunger, danger, etc...)
Response The reaction an organism has to stimulus (close its eyes, eat food, run away, etc...)
Adaptation Specialized changes in an organism that evolve over many generations to help the organism survive.
Homeostasis Responses an organism does to keep its its inside environment stable ("home stays nice")
Development Physical changes in an organism over its life
Life Span Time from birth to death for an organism
Dormant Adjective to describe an organism whose life processes have slowed almost to a stop while it waits for better living conditions.
Created by: Mr. Sentry