Biology Fall Final Exam Review Crossword

the study of life
anything that has all the characteristics of life
a group of organisms that can interbreed and produce fertile offspring
regulation of an organisms internal environment to maintain conditions needed for life
inherited characteristic of a species that develops over time in response to an environmental factor, enabling the species to survive
describes a relationship under certain conditions in nature
explanation of natural phenomenon supported by many observations of experiments
assumption based on prior experience
orderly, direct information gathering about a natural phenomenon
in an experiment, the group not receiving the factor being tested
the one factor that can be changed in a controlled experiment; is the factor tested and controls the out come of the experiment
factor being measured in a controlled experiment; its value changes because of changes to the independent variable
the standard unit of measurement system, Systems International
scientific study of all the relationships between organisms and their environment
thr relatively thin layer of the Earth and it's atmosphere that supports life
living factors in an organisms environment
nonliving factors in an organisms' environment
close mutualistic, parasitic, or commensal association between two or more species that live together
symbiotic relationship in which both organisms benefit
symbiotic relationship in which one organism benefits and the other is neither helped or harmed
symbiotic relationship in which one organism benefits at the expense of another organism
heterotroph that decomposes organic material and returns the nutrients to the soil, air, and water, making nutrients available to other organisms
a process in which nitrogen gas is captured and converted into a form plants can use