Biology 1402 Dr. Held Exam 1
Questions & Answers (Grade A+)
Change in the frequency of traits in a population
(darker) -
correct answer ✅Evolution
Cause of the change(cause of evolution) where only the best fit
survive -
correct answer ✅natural selection
Increase of fitness in population(ex. camouflage) -
correct answer ✅Adaptation
differences that are passed from one parent to offspring. traits that
can be SELECTED (ex colors) -
correct answer ✅Heritable Variations
Community of species adapted to a region of the Earth. and/or.
ecological associations that occupy broad geographic regions of
land or water. dictated by geometry. -
correct answer ✅Biome
A complex molecule containing the genetic information that makes
up the chromosomes. provides master instructions for all cell's
,Biology 1402 Dr. Held Exam 1
Questions & Answers (Grade A+)
functions. -
correct answer ✅DNA
A set of instructions coded in DNA molecules that specifies the
traits of an organism. Precise information in units of inheritance. -
correct answer ✅Genetic Information
Different latitudes on Earth receive different amounts of sunlight,
and are a key factor in determining a region's climate. HIGHER
latitudes receive LESS HEAT. LOWER latitude areas nearer the
equator receive MORE HEAT. -
correct answer ✅latitude vs climate
the region surrounding the equator between 23.5 north and south.
least seasonal variation. -
correct answer ✅tropics
distinct seasonal variation occurs here. the latitudes between the
tropics and Arctic circle and Antarctic circle. -
correct answer ✅Temperate Zones
,Biology 1402 Dr. Held Exam 1
Questions & Answers (Grade A+)
a dry region of land on the side of a mountain range that is
protected from the prevailing winds. -
correct answer ✅Rain shadow
carry air toward the mountain range. As the air rises up over a
mountain range, the air cools, water vapor condenses, and clouds
form. result from the effects of rising and falling air masses and
earths rotations. -
correct answer ✅prevailing winds
a substance that cannot be broken down to other substances by
chemical reactions -
correct answer ✅Element
a substance consisting of two or more different elements combined
in a fixed ratio. -
correct answer ✅Compound
the smallest unit of matter that still retains the properties of an
element -
correct answer ✅Atom
, Biology 1402 Dr. Held Exam 1
Questions & Answers (Grade A+)
two or more atoms held together by covalent bonds. smallest unit
of compounds. -
correct answer ✅Molecule
A subatomic particle with a single positive electrical charge, found
in the nucleus of an atom. -
correct answer ✅proton
A subatomic particle that is electrically neutral, has no charge, and
that is found in the nucleus of an atom -
correct answer ✅Neutron
a subatomic particle with a single negative charge. not in nucleus. -
correct answer ✅Electron
An atom's dense central core, containing protons and neutrons. -
correct answer ✅atomic nucleus
different _________ of an element have the SAME number of
PROTONS and behave identically in chemical reactions, but have
DIFFERENT number of NEUTRONS. -
correct answer ✅isotopes
Questions & Answers (Grade A+)
Change in the frequency of traits in a population
(darker) -
correct answer ✅Evolution
Cause of the change(cause of evolution) where only the best fit
survive -
correct answer ✅natural selection
Increase of fitness in population(ex. camouflage) -
correct answer ✅Adaptation
differences that are passed from one parent to offspring. traits that
can be SELECTED (ex colors) -
correct answer ✅Heritable Variations
Community of species adapted to a region of the Earth. and/or.
ecological associations that occupy broad geographic regions of
land or water. dictated by geometry. -
correct answer ✅Biome
A complex molecule containing the genetic information that makes
up the chromosomes. provides master instructions for all cell's
,Biology 1402 Dr. Held Exam 1
Questions & Answers (Grade A+)
functions. -
correct answer ✅DNA
A set of instructions coded in DNA molecules that specifies the
traits of an organism. Precise information in units of inheritance. -
correct answer ✅Genetic Information
Different latitudes on Earth receive different amounts of sunlight,
and are a key factor in determining a region's climate. HIGHER
latitudes receive LESS HEAT. LOWER latitude areas nearer the
equator receive MORE HEAT. -
correct answer ✅latitude vs climate
the region surrounding the equator between 23.5 north and south.
least seasonal variation. -
correct answer ✅tropics
distinct seasonal variation occurs here. the latitudes between the
tropics and Arctic circle and Antarctic circle. -
correct answer ✅Temperate Zones
,Biology 1402 Dr. Held Exam 1
Questions & Answers (Grade A+)
a dry region of land on the side of a mountain range that is
protected from the prevailing winds. -
correct answer ✅Rain shadow
carry air toward the mountain range. As the air rises up over a
mountain range, the air cools, water vapor condenses, and clouds
form. result from the effects of rising and falling air masses and
earths rotations. -
correct answer ✅prevailing winds
a substance that cannot be broken down to other substances by
chemical reactions -
correct answer ✅Element
a substance consisting of two or more different elements combined
in a fixed ratio. -
correct answer ✅Compound
the smallest unit of matter that still retains the properties of an
element -
correct answer ✅Atom
, Biology 1402 Dr. Held Exam 1
Questions & Answers (Grade A+)
two or more atoms held together by covalent bonds. smallest unit
of compounds. -
correct answer ✅Molecule
A subatomic particle with a single positive electrical charge, found
in the nucleus of an atom. -
correct answer ✅proton
A subatomic particle that is electrically neutral, has no charge, and
that is found in the nucleus of an atom -
correct answer ✅Neutron
a subatomic particle with a single negative charge. not in nucleus. -
correct answer ✅Electron
An atom's dense central core, containing protons and neutrons. -
correct answer ✅atomic nucleus
different _________ of an element have the SAME number of
PROTONS and behave identically in chemical reactions, but have
DIFFERENT number of NEUTRONS. -
correct answer ✅isotopes
