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Unit #1 Vocabulary

Across
the moral principles and values held by humans.
anything in an organism’s internal or external environment that causes the organism to react.
nonliving parts of an organism’s environment; air currents, temperatures, moisture, light, and soil are examples.
all of the changes that take place during the life of an organism; a characteristic of all living things.
evolution of a structure, behavior, or internal process that enables an organism to respond to environmental factors and live to produce offspring.
organism’s regulation of its internal environment to maintain conditions suitable for survival; a characteristic of all living things.
anything that possesses all of the characteristics of life; all organisms have an orderly structure, produce offspring, grow, develop, and adjust to the changes in the environment.
Down
an organism’s reaction to a change in its internal or external environment.
gradual change in a species through adaptations over time.
all of the living organisms that inhabit an environment.
production of offspring by an organism; a characteristic of all living things.
process of noticing and describing events and processes in a careful, orderly way.
the basic unit of all organisms; all living things are composed of cells