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adaptation

evolution of a structure, behavior or internal process that enables an organism to respond to environmental factors and live to produce offspring

biology

the study of life that seeks to provide an understanding of the natural world

development

all of the changes that take place during the life of an organism; a characteristic of all living things

energy

the ability to cause change; used to perform biological functions

environment

biotic and abiotic surroundings to which an organism must constantly adjust; includes air, water, weather, temperature, other organisms, and many other factors

evolution

gradual change in a species through adaptations over time

growth

increase in the amount of living material and formation of new structures in an organism; a characteristic of all living things

homeostasis

organism's regulation of its internal environment to maintain conditions suitable for survival; a characteristic of all living things

organism

anything that possesses all the characteristics of life; have an orderly structure, produce offspring, grow, develop, and adjust to changes in the environment

reproduction

production of offspring by an organism; a characteristic of all living things

response

an organism's reaction to a change in its internal or external environment

species

group of organisms that can interbreed and produce fertile offspring in nature

stimulus

anything in an organism's internal or external environment that causes the organism to react

control

in an experiment, the standard in which results are compared

data

Information obtained from experiments, sometimes called experimental results

independent variable

in an experiment, the condition that is tested because it affects the outcome of the experiment

dependent variable

in an experiment, the condition that results from changes in the independent variable

experiment

procedure that tests a hypothesis by collecting information under controlled conditions

hypothesis

explanation for a question or a problem that can be formally tested

safety symbol

symbol that warns you about a danger that may exist from chemicals, electricity, heat or experimental procedures

scientific methods

procedures that biologists and other scientists use to gather information and answer questions

theory

explanation of natural phenomenon supported by a large body of scientific evidence obtained from many different investigations and observations

ethics

the moral principles and values held by humans

technology

application of scientific research to society's needs and problems

organization

orderly structure of cells in an organism

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