Growth
the process by which living organisms increase in size
Homeostasis
the condition of a stable internal environment
Metabolism
All of the chemical reactions that occur within an organism
Nutrition
the process by which organisms takes in and uses food
Organism
A living thing
Reproduction
process by which organisms produce new organisms of their own kind
Respiration
the process of releasing energy from food molecules by a complex series of reactions
Transport
The process by which substances move into or out of cells or are distributed within cells
Control
the set up in an experiment in which no factor was changed (the reference)
Hypothesis
a possible explanation for an observed set of facts
Magnification
the ratio of the image size to the object size (how big)
Resolution
the ability of a microscope to show 2 points that are close together as separate images (how clear)
Scientific Method
a universal approach to scientific problems
Theory
explanations based on facts that apply to a broad range of phenomena
Variable
a single factor that is changed in a controlled experiment
Heterotroph
organisms that cannot synthesize their own food and must get it ready-made (consumers)
Autotroph
plants and other organisms that make their own food from inorganic substances
Aerobic
with oxygen
Anaerobic
without oxygen