An experiment in which only one variable is tested.
ID: Thermoregulation
Control of an animal's body temperature.
ID: Homeostasis
The ability of an organism to maintain constant body temperature, fluid balance, and chemistry.
ID: Metabolism
The biochemical reactions of a cell.
ID: Counter-current exchange
Arrangement in which two adjacent currents flow opposite directions and exchange materials or heat.
ID: Cell
Basic unit of life.
ID: Molecule
A group of joined atoms.
ID: Producers
Also called autotrophs, extract energy from the nonliving environment.
ID: Consumers
Also called heterotrophs, obtain energy by eating nutrients that make up other organisms.
ID: Control
An element not being tested to provide a basis of comparison.
ID: Solvent
A chemical in which other substances dissolve.
ID: Solutes
Dissolve in the solvent.
ID: Solution
Consists of one or more solutes dissolved in a liquid solvent.
ID: Hydrophilic
Substances that dissolve in water.
ID: Hydrophobic
Substances that do not dissolve in water.
ID: Cellular respiraton
The set of metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into ATP, and then release waste products.