BIOLOGY EXAM STUDY GUIDE LATEST UPDATE
2025/ 2026 GRADED A +
Biosphere - CORRECT ANSWER >> All parts of the planet with living things
Cell - CORRECT ANSWER >> Basic unit of life
Cell Specialization - CORRECT ANSWER >> the process in which cells develop in different ways to
perform different tasks
Eukaryotes - CORRECT ANSWER >> organisms made up of one or more cells that have a nucleus and
membrane-bound organelles
homeostasis - CORRECT ANSWER >> the maintenance of stable internal conditions
Levels of Structural Organization - CORRECT ANSWER >> Domain, Kingdom, Phylum, Class, Order,
Family, Genus, Species
Populations - CORRECT ANSWER >> groups of individuals that belong to the same species and live in the
same area
Prokaryotes - CORRECT ANSWER >> single-celled organisms that do not have a membrane-bound
nucleus
Species - CORRECT ANSWER >> group of similar organisms that can breed and produce fertile offspring
Themes of Biology - CORRECT ANSWER >> energy/ system and interactions/structure and function /
unity with diversity/ evalution/ homeostasis/ cooperation
Controlled Experiments - CORRECT ANSWER >> an experiment in which only one variable is
manipulated at a time.
, Data - CORRECT ANSWER >> information gathered from observations
Hypothesis - CORRECT ANSWER >> possible explanation for a set of observations or a suggested answer
to a scientific question
Conclusion - CORRECT ANSWER >> Restates hypothesis, says if it was correct, why/why not, and what
you would have done differently
Inference - CORRECT ANSWER >> logical conclusion
Theory - CORRECT ANSWER >> well-tested explanation that unifies a broad range of observations
Variables - CORRECT ANSWER >> factors that can change in an experiment
Atomic Mass - CORRECT ANSWER >> total mass of the protons and neutrons in an atom, measured in
atomic mass units
Atomic Number - CORRECT ANSWER >> the number of protons in the nucleus of an atom
Chemical Reactions - CORRECT ANSWER >> breaking of old and formation of new chemical bonds that
result in new substances
Compounds - CORRECT ANSWER >> combination of 2 or more elements
Ions - CORRECT ANSWER >> electrically charged atoms that have gained or lost electrons.
Isotopes - CORRECT ANSWER >> atoms of the same element that have different numbers of neutrons
Nonpolar molecules - CORRECT ANSWER >> A molecule that has an equal distribution of electrical
charge across all its constituent atoms.
2025/ 2026 GRADED A +
Biosphere - CORRECT ANSWER >> All parts of the planet with living things
Cell - CORRECT ANSWER >> Basic unit of life
Cell Specialization - CORRECT ANSWER >> the process in which cells develop in different ways to
perform different tasks
Eukaryotes - CORRECT ANSWER >> organisms made up of one or more cells that have a nucleus and
membrane-bound organelles
homeostasis - CORRECT ANSWER >> the maintenance of stable internal conditions
Levels of Structural Organization - CORRECT ANSWER >> Domain, Kingdom, Phylum, Class, Order,
Family, Genus, Species
Populations - CORRECT ANSWER >> groups of individuals that belong to the same species and live in the
same area
Prokaryotes - CORRECT ANSWER >> single-celled organisms that do not have a membrane-bound
nucleus
Species - CORRECT ANSWER >> group of similar organisms that can breed and produce fertile offspring
Themes of Biology - CORRECT ANSWER >> energy/ system and interactions/structure and function /
unity with diversity/ evalution/ homeostasis/ cooperation
Controlled Experiments - CORRECT ANSWER >> an experiment in which only one variable is
manipulated at a time.
, Data - CORRECT ANSWER >> information gathered from observations
Hypothesis - CORRECT ANSWER >> possible explanation for a set of observations or a suggested answer
to a scientific question
Conclusion - CORRECT ANSWER >> Restates hypothesis, says if it was correct, why/why not, and what
you would have done differently
Inference - CORRECT ANSWER >> logical conclusion
Theory - CORRECT ANSWER >> well-tested explanation that unifies a broad range of observations
Variables - CORRECT ANSWER >> factors that can change in an experiment
Atomic Mass - CORRECT ANSWER >> total mass of the protons and neutrons in an atom, measured in
atomic mass units
Atomic Number - CORRECT ANSWER >> the number of protons in the nucleus of an atom
Chemical Reactions - CORRECT ANSWER >> breaking of old and formation of new chemical bonds that
result in new substances
Compounds - CORRECT ANSWER >> combination of 2 or more elements
Ions - CORRECT ANSWER >> electrically charged atoms that have gained or lost electrons.
Isotopes - CORRECT ANSWER >> atoms of the same element that have different numbers of neutrons
Nonpolar molecules - CORRECT ANSWER >> A molecule that has an equal distribution of electrical
charge across all its constituent atoms.
