Biology 111 -Final UPDATED Exam
Questions and CORRECT Answers
organism - Correct Answer- individual living thing.
emergent properties - Correct Answer- quality that appears as biological complexity
increases.
cell - Correct Answer- smallest unit that displays life.
metabolism - Correct Answer- all of the chemical reaction that occur in a cell during growth
and repair.
homeostasis - Correct Answer- maintenance of normal internal conditions in a cell.
adaptations - Correct Answer- organism's modification in structure, function, or behavior that
better suits the environment.
taxonomy - Correct Answer- branch of biology concerned with identifying, describing, and
naming organisms.
prokaryotes - Correct Answer- organism that lacks the membrane-bounded nucleus and
membranous organelles typical of eukaryotes.
eukaryotes - Correct Answer- type of cell that has a membrane-bounded nucleus and
membranous organelles.
binomial nomenclature - Correct Answer- scientific name of an organism, the first part of
which designates the genus and the second part designates the specific epithet.
biodiversity - Correct Answer- total number of species, the variability of the genes, and the
communities in which they live.
,scientific method - Correct Answer- process by which scientists formulate a hypothesis,
gather data by observation and experimentation, and come to a conclusion.
photosynthesis - Correct Answer- process occurring usually within chloroplasts whereby
chlorophyll-containing organelles trap solar energy to reduce carbon dioxide to carbohydrate.
hypothesis - Correct Answer- supposition established by reasoning after consideration of
available evidence; it can be tested by obtaining more data, often by experimentation.
scientific theory - Correct Answer- concept supported by a broad range of observations,
experiments, and data.
Law - Correct Answer- a term used for theories that are generally accepted by an
overwhelming number of scientists.
Levels of Classification - Correct Answer- Domain, Kingdom, Phylum, Class, Order, Family,
Genus, Species
Levels of Biological Organization - Correct Answer- Atom, molecule, cell, tissue, organ,
organ system, organism, population, community, ecosystem
Characteristics of Life - Correct Answer- organized, acquire materials and energy, respond,
reproduce and develop, have adaptations.
Eukarya Four Kingdoms: - Correct Answer- Protista, Fungi, Plantae, and Animalia
experimental variable - Correct Answer- is the step that is deliberately manipulated.
(nitrogen, fertilizer)
dependent variable - Correct Answer- is component of an experiment that changes due to the
experimental variable.
control variable - Correct Answer- components that are not changed.
, matter - Correct Answer- anything that takes up space and has mass.
element - Correct Answer- cannot be broken down to simpler substances with different
properties.
protons - Correct Answer- are positively charged particles (have 1 atomic mass unit of
weight).
neutrons - Correct Answer- have no charge. (1 atomic mass unit of weight)
electron - Correct Answer- are negatively charged particles.
isotopes - Correct Answer- are atoms with the same number of protons but differ in number
of neutrons.
molecule - Correct Answer- union of two or more atoms of the same element.
compound - Correct Answer- two or more different elements react or bond together.
atomic mass - Correct Answer- the sum of protons and neutrons.
atomic number - Correct Answer- number of protons.
ionic bond - Correct Answer- form when electrons are transferred from one atom to another.
covalent bond - Correct Answer- form when two atoms share electrons
nonpolar covalent bonds - Correct Answer- sharing of electrons is equal.
polar covalent bonds - Correct Answer- sharing of electrons is unequal.
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