BIO 121 Final Exam Review UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Biology - CORRECT ANSWER - The scientific study of life.
Organization - CORRECT ANSWER - The arrangement of living things in a structured
manner.
Information - CORRECT ANSWER - Data that is processed or organized to provide
meaning.
Energy and matter - CORRECT ANSWER - The fundamental components that drive
biological processes.
Interactions - CORRECT ANSWER - The relationships and effects organisms have on one
another.
Evolution - CORRECT ANSWER - The change in the heritable characteristics of
biological populations over successive generations.
Levels of organization - CORRECT ANSWER - The hierarchy of biological structures
from the biosphere to atoms.
Biosphere - CORRECT ANSWER - The global sum of all ecosystems.
Biome - CORRECT ANSWER - A large geographical biotic unit, a major community of
plants and animals with similar life forms and environmental conditions.
,Ecosystem - CORRECT ANSWER - A community of living organisms and their physical
environment interacting as a system.
Community - CORRECT ANSWER - A group of interacting organisms of different
species in a common location.
Population - CORRECT ANSWER - A group of individuals of the same species living in a
specific area.
Organism - CORRECT ANSWER - An individual living entity.
Organ system - CORRECT ANSWER - A group of organs that work together to perform
complex functions.
Tissue - CORRECT ANSWER - A group of similar cells that perform a specific function.
Cell - CORRECT ANSWER - The basic structural and functional unit of life.
Organelle - CORRECT ANSWER - A specialized subunit within a cell that has a specific
function.
Macromolecule - CORRECT ANSWER - A large molecule composed of smaller subunits,
such as proteins, nucleic acids, carbohydrates, and lipids.
Molecule - CORRECT ANSWER - A group of atoms bonded together, representing the
smallest fundamental unit of a chemical compound.
Atom - CORRECT ANSWER - The smallest unit of a chemical element.
, Binomial nomenclature - CORRECT ANSWER - A formal system of naming species of
living things by giving each a name composed of two parts.
Scientific Method - CORRECT ANSWER - A systematic approach to inquiry that
involves observation, hypothesis formulation, experimentation, and conclusion.
Scientific Theory - CORRECT ANSWER - A well-substantiated explanation of an aspect
of the natural world that is based on a body of evidence.
Element - CORRECT ANSWER - A pure substance that cannot be broken down into
simpler substances by chemical means.
Compound - CORRECT ANSWER - A substance formed when two or more chemical
elements are chemically bonded together.
Polar covalent bond - CORRECT ANSWER - A type of bond that occurs when two atoms
share electrons unequally, resulting in a molecule with a slight charge.
Hydrophilic - CORRECT ANSWER - Substances that are attracted to water and can
dissolve in it.
Hydrophobic - CORRECT ANSWER - Substances that repel water and do not dissolve in
it.
Plasma membrane - CORRECT ANSWER - A biological membrane that separates and
protects the interior of the cell from the external environment.
Nucleus - CORRECT ANSWER - The control center of the cell containing genetic
material, surrounded by a nuclear envelope with nuclear pores.
ACTUAL Exam Questions and CORRECT
Answers
Biology - CORRECT ANSWER - The scientific study of life.
Organization - CORRECT ANSWER - The arrangement of living things in a structured
manner.
Information - CORRECT ANSWER - Data that is processed or organized to provide
meaning.
Energy and matter - CORRECT ANSWER - The fundamental components that drive
biological processes.
Interactions - CORRECT ANSWER - The relationships and effects organisms have on one
another.
Evolution - CORRECT ANSWER - The change in the heritable characteristics of
biological populations over successive generations.
Levels of organization - CORRECT ANSWER - The hierarchy of biological structures
from the biosphere to atoms.
Biosphere - CORRECT ANSWER - The global sum of all ecosystems.
Biome - CORRECT ANSWER - A large geographical biotic unit, a major community of
plants and animals with similar life forms and environmental conditions.
,Ecosystem - CORRECT ANSWER - A community of living organisms and their physical
environment interacting as a system.
Community - CORRECT ANSWER - A group of interacting organisms of different
species in a common location.
Population - CORRECT ANSWER - A group of individuals of the same species living in a
specific area.
Organism - CORRECT ANSWER - An individual living entity.
Organ system - CORRECT ANSWER - A group of organs that work together to perform
complex functions.
Tissue - CORRECT ANSWER - A group of similar cells that perform a specific function.
Cell - CORRECT ANSWER - The basic structural and functional unit of life.
Organelle - CORRECT ANSWER - A specialized subunit within a cell that has a specific
function.
Macromolecule - CORRECT ANSWER - A large molecule composed of smaller subunits,
such as proteins, nucleic acids, carbohydrates, and lipids.
Molecule - CORRECT ANSWER - A group of atoms bonded together, representing the
smallest fundamental unit of a chemical compound.
Atom - CORRECT ANSWER - The smallest unit of a chemical element.
, Binomial nomenclature - CORRECT ANSWER - A formal system of naming species of
living things by giving each a name composed of two parts.
Scientific Method - CORRECT ANSWER - A systematic approach to inquiry that
involves observation, hypothesis formulation, experimentation, and conclusion.
Scientific Theory - CORRECT ANSWER - A well-substantiated explanation of an aspect
of the natural world that is based on a body of evidence.
Element - CORRECT ANSWER - A pure substance that cannot be broken down into
simpler substances by chemical means.
Compound - CORRECT ANSWER - A substance formed when two or more chemical
elements are chemically bonded together.
Polar covalent bond - CORRECT ANSWER - A type of bond that occurs when two atoms
share electrons unequally, resulting in a molecule with a slight charge.
Hydrophilic - CORRECT ANSWER - Substances that are attracted to water and can
dissolve in it.
Hydrophobic - CORRECT ANSWER - Substances that repel water and do not dissolve in
it.
Plasma membrane - CORRECT ANSWER - A biological membrane that separates and
protects the interior of the cell from the external environment.
Nucleus - CORRECT ANSWER - The control center of the cell containing genetic
material, surrounded by a nuclear envelope with nuclear pores.
