adaptation
the responsive adjustment of a sense organ (as the eye) to varying conditions (as of light) |
calorie
unit of heat; unit of heat equal to the amount of heat required to raise the temperature of 1 kilogram of water by 1 degree |
carbohydrate
essential structural component of living cells and source of energy for animals |
carnivore
any animal that feeds on flesh |
circuit
electrical device that provides a path for electrical current to flow |
climate
weather condition; atmosphere; environment |
composition
a mixture of ingredients; the spatial property resulting from the arrangement of parts in relation to each other and to the whole |
conductor
a device designed to transmit electricity, heat; person who collects fares on a public conveyance |
electricity
energy made available by the flow of electric charge through a conductor; a physical phenomenon associated with stationary or moving electrons and protons |
energy
exertion of force; capacity for work or vigorous activity; usable heat or power |
geology
science which treats the structure and mineral constitution of the globe |
herbivore
any animal that feeds chiefly on grass and other plants |
igneous
produced under conditions involving intense heat |
insulator
a material such as glass or porcelain with negligible electrical or thermal conductivity |
magnetism
attraction for iron; associated with electric currents as well as magnets |
metamorphic
characterized by metamorphosis or change in physical form or substance |
mineral
solid homogeneous inorganic substances occurring in nature having a definite chemical composition; composed of matter other than plant or animal |
nutrient
nourishing substance; source of nourishment, especially nourishing ingredient in a food |
omnivore
a person who eats all kinds of foods; an animal that feeds on both animal and vegetable substances |
poles
one of two divergent or mutually exclusive opinions; one of the two ends of a magnet where the magnetism seems to be concentrated |
predator
animal that lives by preying on other animals; person who robs or exploits others |
prey
target of a hunt; animal hunted or caught for food |
protein
any of a large group of nitrogenous organic compounds that are essential constituents of living cells |
sedimentary
resembling or formed by the accumulation of sediment; form of rock made by the deposition and compression of small particles |
