Ch 1 Test Flashcards
The study of life that seeks to provide an understanding of the natural world
Biology
Evolution of a structure, behavior, or internal process that enables an organism to respond to stimuli and better survive in an environment
Adaptation
All of the changes that take place during the life of an organism, a characteristic of all living things
Development
The ability to do work; organisms use energy to perform biological functions
Energy
Biotic and abiotic surroundings to which an organism must constantly adjust; includes air, water, weather, temperature, other organisms, and many other factors
Environment
Gradual accumulation of adaptations over time
Evolution
Increase in the amount of living material and formation of new structures in an organism; a characteristic of all living things
Growth
Regulation of an organism’s internal environment to maintain conditions suitable for survival
Homeostasis
Anything that possesses all of the characteristics of life: have an orderly structure produce offspring, grow, develop, and adjust to changes in the environment
Organism
Orderly structure of cells in an organism
Organization
Production of offspring
Reproduction
Reaction to a stimulus
Response
A group of organism that can interbreed and produce fertile offspring in nature
Species
Any condition in the environment that requires an organism to adjust
Stimulus
The group in which all conditions are kept the same
Control
Information obtained from experiment
Data
Results from the change in experiment
Dependent variable
A procedure that tests a hypothesis by the process of collecting information under controlled conditions
Experiment
An explanation for a question or a problem that can be formally tested
Hypothesis
The condition in the experiment that is changed
Independent variable
Symbol that warns you about a danger that may exist, from chemicals, electricity, heat, or experimental problems
Safety symbol
Common steps that biologist use to gather information and answer questions
Scientific method
Explanation of a natural phenomenon that is supported by large amounts of evidence
Theory
The moral principles and values held by humans
Ethics
Application of scientific research to society’s needs and problems
Technology