vocabulary words #50-70 Flashcards
Dominance
Tendency of certain alleles to mask the expression of there corresponding alleles.
DNA
a nuclear acid that carries genetic material. (stands for aeoxyr bonucleic acid)
Earthquake
shaking of the ground caused by a sudden release of energy in the crust.
Ecosystem
An ecological community, together with its environment, functioning as a unit.
Efficiency
The relative effectiveness of a system or device determined by comparing imput & output.
Electromagnetic
Consisting of a coil of wire wrapped around a core.
Electromagnetic radiation
The emission of the entire range of electromagnetic spectrum including gamma rays, x-rays, ultraviolet radiation, visible light, microwaves & radio.
Electromagnetic waves
Generated by the oscillation of a charged particle and characterized by periodic variations of electric and magnetic fields.
Electron
A stable elementary particle that is negatively charged and orbits the nucleus of an atom.
Element
A substance that cannot be reduced by chemical means.
Energy
A quality that describes the capacity to do work.
Energy Pyramid
Diagram that compares the amount of energy available at each position or level at feeding order.
Environment
The sum of conditions affecting an organism including all living and non living things in an area.
Equator
An imaginary circle around earths surface located between the poles and that divides the northern and Southern Hemisphere.
Erosion
The wearing away of earths surface by the breakdown and transportation of rock & soil.
