AP Bio Vocab Exam Ch 22-26 (Premium
Edition) 2025/2026 Exam Questions and
Answers | 100% Solved
descent with modification - 🧠 ANSWER ✔✔principle that each living
species has descended, with changes, from other species over time
Evolution - 🧠 ANSWER ✔✔The gradual change in a species over time
Gradualism - 🧠 ANSWER ✔✔The theory that evolution occurs slowly but
steadily
Homologous structure - 🧠 ANSWER ✔✔Structures in different species that
are similar because of common ancestry, like whale flipper and human
hand.
Natural Selection - 🧠 ANSWER ✔✔A process in which individuals that have
certain inherited traits that give them an advantage in the environment tend
, to survive and reproduce at higher rates than other individuals because of
those traits.
Uniformitarianism - 🧠 ANSWER ✔✔Charles Lyell's idea that geologic
processes have not changed throughout Earth's history.
Vestigial organ - 🧠 ANSWER ✔✔organ that serves no useful function in an
organism, like your tailbone or whale "arms"
Bottleneck effect - 🧠 ANSWER ✔✔A change in allele frequency following a
dramatic reduction in the size of a population. an example of genetic drift.
Cline - 🧠 ANSWER ✔✔a graded change in a character along a geographic
axis
Directional Selection - 🧠 ANSWER ✔✔occurs when natural selection favors
one of the extreme variations of a trait
x becomes white
Disruptive selection - 🧠 ANSWER ✔✔favors individuals at both extremes of
the phenotypic range
x becomes white and black
Edition) 2025/2026 Exam Questions and
Answers | 100% Solved
descent with modification - 🧠 ANSWER ✔✔principle that each living
species has descended, with changes, from other species over time
Evolution - 🧠 ANSWER ✔✔The gradual change in a species over time
Gradualism - 🧠 ANSWER ✔✔The theory that evolution occurs slowly but
steadily
Homologous structure - 🧠 ANSWER ✔✔Structures in different species that
are similar because of common ancestry, like whale flipper and human
hand.
Natural Selection - 🧠 ANSWER ✔✔A process in which individuals that have
certain inherited traits that give them an advantage in the environment tend
, to survive and reproduce at higher rates than other individuals because of
those traits.
Uniformitarianism - 🧠 ANSWER ✔✔Charles Lyell's idea that geologic
processes have not changed throughout Earth's history.
Vestigial organ - 🧠 ANSWER ✔✔organ that serves no useful function in an
organism, like your tailbone or whale "arms"
Bottleneck effect - 🧠 ANSWER ✔✔A change in allele frequency following a
dramatic reduction in the size of a population. an example of genetic drift.
Cline - 🧠 ANSWER ✔✔a graded change in a character along a geographic
axis
Directional Selection - 🧠 ANSWER ✔✔occurs when natural selection favors
one of the extreme variations of a trait
x becomes white
Disruptive selection - 🧠 ANSWER ✔✔favors individuals at both extremes of
the phenotypic range
x becomes white and black
