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Study of Life

Ch 1

QuestionAnswer
What do Biologists study? The diversity of life, diseases, the development of technology, agriculture improvement, and the preservation of the environment.
What are the Characteristics of Life? They are made of cells, they are organized, they grow and develop, they reproduce, they respond to stimuli, they require energy, they maintain homeostasis, and they evolve adaptations over time.
Biology The study of life.
Organism A living thing.
Cell The smallest unit of life.
Organization Orderly structure
Growth An increase in the amount of living material within an organism.
Development The changes that take place during an organism's life.
Reproduction The production of offspring.
Species Organisms which can reproduce and produce fertile offspring.
Environment The air, water, weather, temperature, organisms within the area, and other factors which can affect an organism.
Stimulus A condition which requires an organism to react.
Response A reaction to a stimulus.
Energy The ability to do work.
Autotroph An organism which makes its own food.
Heterotroph An organism which eats other organisms.
Homeostasis The regulation of an organism's internal environment to maintain conditions suitable for survival.
Adaptation Something that allows an organism to respond to stimuli and better survive in a given environment.
Evolution The gradual accumulation of adaptations over time.
Levels of Organization Cell -> Tissue -> Organ -> Organ System -> Organism
Science The study of the structure/behavior of the physical and natural world through observation and experimentation.
Theory An explanation of a natural phenomenon that is supported by a large amount of evidence.
Scientific Law A fact about nature that is known.
Scientific Literacy The ability to combine knowledge of science with critical thinking.
Ethics The moral principles and values of humans
Technology The application of scientific research to society's needs
Steps of the Scientific Method Ask a question, form a hypothesis, Collect data from an experiment, analyze the data, and report the conclusions.
Hypothesis An explanation for a question/problem that can be formally tested.
Experiment A procedure which tests a hypothesis by collecting data under controlled conditions.
Control The group that stays the same AND is used to compare to the results/experimental group.
Constant Something which is not changed during an experiment.
Independent Variable The condition that is changed/tested in an experiment.
Dependent Variable The condition that is measured or changes as a result of the independent variable changing.
Data Information from experiments.
Quantitative data Data which is collected as numbers.
Qualitative data
Created by: Mwaites
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