AbiogenesisCorrect AnswersBelief that livings things may develop from lifeless matter
AcidCorrect AnswersA compound that In water produces hydrogen ions, usually tastes
sour, a pH less than 7
Acid rainCorrect Answersrain containing acids that form in the atmosphere when
industrial gas emissions (especially sulfur dioxide and nitrogen oxides) combine with
water
AlloyCorrect AnswersHomogenous mixture composed of two or more metals
AmoebaCorrect AnswersA type of Protozoan that has no permanent shape
AmorphousCorrect Answershaving no definite form or distinct shape
AmplitudeCorrect AnswersThe maximum value of a wave or vibration
Anaerobic respirationCorrect AnswersFermentation, or respiration in the absence of
oxygen
AnemiaCorrect Answerslack of a normal number of red blood cells
AnodeCorrect AnswersPositive electrode of an electrolytic cell; negative terminal of a
battery; negative plate of a vacuum tube; site where oxidation occurs
AntibioticCorrect Answerscompound that blocks the growth and reproduction of bacteria
AntibodyCorrect AnswersA protein, usually in the blood of an organism, that serves to
counteract the effects of disease-producing bacteriabor viruses
AntidoteCorrect Answersa remedy that stops or controls the effects of a poison
AnticepticCorrect AnswersA substance that prevents the growth or activity of bacteria
AntitoxinCorrect AnswersSubstance in the body neutralizes toxins
AppendixCorrect AnswersWormlike, narrow part of the alimentary canal, in the lower
right-hand part of the human abdomen
ArmatureCorrect AnswersA piece of metal or a coil of wire that moves back and forth, or
rotates, in a magnetic field
ArteryCorrect Answersa blood vessel that carries blood away from the heart to the
periphery of the body
ArthropodsCorrect AnswersA group of organisms that have jointed appendages, an
exoskeleton, bilateral symmetry, and reproduce sexually; insects, arachnids, millipedes
and cenitpedes, and crustaceans
Ascorbic acidCorrect AnswersVitamin C; found in citrus fruits, tomatoes, and green
vegetables
AsepticCorrect AnswersFree of living bacteria
Asexual reproductionCorrect AnswersProducing offspring without inion of individulaln or
germ cells
AssimilationCorrect AnswersProcess by which digested food is utilized by the body to
build up or repair cells
AssimilationCorrect AnswersProcess by which digested food is utilized by the body to
build up or repair cells
AsteroidCorrect AnswersOne of a group of "minor plants" between Mars and Jupiter, of
which about 1,500 are known
AtmosphereCorrect AnswersThe whole mass of gases surrounding a planet
, AtomCorrect Answerssmallest particle of an element, consisting of a nucleus
surrounded bynelectrons
Atomic fissionCorrect AnswersThe breaking down of an atomic nucleus, into two or
more parts, with a great release of energy
Atomic fusionCorrect AnswersThe joining of atomic nuclei to form heavier nuclei, such
as deuterium (heavy hydrogen) and tritium (another isotope of hydrogen) to make
helium, resulting in the release of enormous quantities of energy
AuricleCorrect AnswersAn upper chamber of the heart thatnreceives blood from the
veins-also called the atrium
AutotrophCorrect AnswersOrganism (a green plant) that nourishes itself by making
organic materials out of inorganic
AuxinCorrect Answersa plant hormone that promotes root formation and bud growth
BacillusCorrect Answersaerobic rod-shaped spore-producing bacterium
BacteriaCorrect Answers(microbiology) single-celled or noncellular spherical or spiral or
rod-shaped organisms lacking chlorophyll that reproduce by fission
Balance in NatureCorrect Answersthe balence of animals and palntes in their
enviroment
BarometerCorrect Answersan instrument that measures atmospheric pressure
Basel MetabolismCorrect AnswersA term used to discribe the amount of energy the
body expends when in a inactive or basic (basal) state.
BaseCorrect Answersany of various water-soluble compounds capable of turning litmus
blue and reacting with an acid to form a salt and water
BedrockCorrect Answerssolid unweathered rock lying beneath surface deposits of soil
Benign TumorCorrect Answersa tumor that is not cancerous
BileCorrect Answersa digestive juice secreted by the liver and stored in the gallbladder
Binomal NomenclatureCorrect Answersthe naming system for organism in wich each
organsim is given a two part name-a genus name of different species in an area
BiomeCorrect Answersa major biotic community characterized by the dominant forms of
plant life and the prevailing climate
BiospyCorrect Answerstaking out and examining living tissue from a living thing
BrainCorrect Answersthat part of the central nervous system that includes all the higher
nervous centers
Bronchial TubeCorrect Answersone of the pair of tubes that branch off from the trachea
and go into the lungs
CalorieCorrect Answersunit of heat defined as the quantity of heat required to raise the
temperature of 1 gram of water by 1 degree centigrade at atmospheric pressure
CancerCorrect Answersany malignant growth or tumor caused by abnormal and
uncontrolled cell division
CapillaryCorrect Answerslong and slender with a very small internal diameter
CapacitorCorrect AnswersAn electrical device used to store electrical charge.
CarbohydrateCorrect Answersan essential structural component of living cells and
source of energy for animals
Carbon DioxideCorrect Answersa heavy odorless colorless gas formed during
respiration and by the decomposition of organic substances
Carbon MonoxideCorrect Answersan odorless very poisonous gas that is a product of
incomplete combustion of carbon