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Amoebas are single-celled organisms that eat by surrounding and engulfing its food. This process of eating is
endocytosis
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White light from the sun is
a mixture of all the colors of the visible spectrum. ( white light represents an expression of all colors combined)
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The electrical circuit most likely used in everyday appliances is
Direct current
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______current is the most common current used to supply electrical energy. It can be safely transferred at high voltages and over long distances
Alternating
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Human blood has a pH of about 7.4, if the pH were to change to 6.9 this indicates
an increase in acidity
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this type of rock results from reactions from deep within the earth—molten magma cooling, solidifying and rising.
igneous rock
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Warm air has _________ atmospheric pressure than cold air.
LESS ( Warm air is less dense than cool air and exerts less pressure on the atmosphere)
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A kingdom consisting of eukaryotic, single-celled organisms is the
Protista Kingdom
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Kingdom Plantae and Animalia contain
Multicellular organs
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Kingdom Prokaryotae contains
bacteria that are prokaryotic
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heterozygous means
not dominant. has a recessive gene so Dd vice DD.
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The appearance of deep holes and craters on the moon's surface are predominately the result of
meteoroids
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having identical pairs of genes for any given pair of hereditary characteristics is known as
homozygous
-
having dissimilar pairs of genes for any hereditary characteristic is know as
heterozygous
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___________ are a division of plants that are classified into two groups, monocots and dicots, which refer to seed leaf structure. (Monocots—one-seed leaves; dicots—two-seed leaves.)
Angiosperms
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___________is the general classification for all organisms that have a true nucleus and membrane-bound organelles.
Eukaryotic
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Seismic activity as recorded by a seismograph is best associated with
earthquakes
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Mammals, birds, amphibians and reptiles are examples of organisms belonging to which phylum
Phylum Chordata represents only organisms having vertebrae (backbone).
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Color Vision results as a function of which of the following?
Cones are photoreceptors of the retinas that provide color vision and visual acuity.
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The earth's orbit around the sun
The earth follows an elliptical pattern as it orbits around the sun. The orbit is complete every 365.25 days.
-
Radioactivity of an element results from
a spontaneous disintegration of atomic nuclei
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The mass of an element that combines with one part by weight of hydrogen is defined as its
equicalent weight
-
the most accurate description of the earth's atmosphere is that it consists
of a mixture of gases, liquid droplets, and minute solid particles.
-
the best estimate of the age of the earth comes from the study of
radioactive material
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when water is taken apart by electricity, what two substance are formed?
hydrogen and oxygen
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