1 Exampromax - Stuvia US 2025/2026
Biology 255 - EXAM 1 Questions and
Answers (100% Correct Answers) Already
Graded A+
Question: In Natural Selection, some individuals within a species have _
over their competitors that enable them to produce more offspring. ⼀
Answer: Hereditary Advantage
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Question: The principle theory of how evolution works ⼀Answer:
Exampromax - Stuvia US
Natural Selection
Question: Natural forces that promote the reproductive success of some
individuals more than others ⼀Answer: Selection Pressures
Question: _ include such things as climate, predators, disease,
competition, and the availability of food. ⼀Answer: Selection Pressures
Question: _ are features of anatomy, physiology, and behavior that have
evolved in response to these selection pressures and enable the organism to
cope with the challenges of its environment. ⼀Answer: Adaptations
Question: Features of an organism's anatomy, physiology, or behavior
that have evolved in response to selection pressures. ⼀Answer:
Adaptations
Question: Change in genetic composition of a population of organisms
⼀Answer: Evolution
, 2 Exampromax - Stuvia US 2025/2026
Question: How species originate and change through time ⼀Answer:
Theory of Natural Selection
Question: Natural selection is driven by _. ⼀Answer: Selection
Pressures
Question: Something present in environment that causes that advantage
to develop ⼀Answer: Selection Pressures
© 2025 Assignment Expert
Question: Introduction of sexual selection and how the female of the
Exampromax - Stuvia US
species is responsible for choosing the mate (dominant in genetic
inheritance) ⼀Answer: The Descent of Man
Question: _ talked about evolution of the human species. ⼀Answer: The
Descent of Man
Question: Antibiotic resistance is an example of _. ⼀Answer:
Adaptation
Question: Organs only in some of us because there's no longer a need for
them ⼀Answer: Vestigial Organs
Question: What two muscles serve little or no purpose now? ⼀Answer:
Piloerector and Auricularis
Question: _ brings about the genetic change in a population that
constitutes evolution. ⼀Answer: Natural Selection
, 3 Exampromax - Stuvia US 2025/2026
Question: A technique called _ suggests a difference of only 1.6% in
DNA structure between humans and chimpanzees. Chimpanzees and
gorillas differ by 2.3%. ⼀Answer: DNA Hybridization
Question: Chimpanzee's closest living relative is the _. ⼀Answer: Homo
Sapiens
Question: Medical condition in which one organ is in an incorrect
anatomical position. ⼀Answer: Situs Perversus
© 2025 Assignment Expert
Exampromax - Stuvia US
Question: When one organ is on the wrong side and the flow and
function is off ⼀Answer: Situs Perversus
Question: No two humans are exactly alike ⼀Answer: Anatomical
Variation
Question: _% of humans have normal individual structures of the body
and _% don't. ⼀Answer: 70; 30
Question: _ is when the organs are in normal condition and they're all
there in normal locations. ⼀Answer: Situs Solitus
Question: _ is when the entire organ system is on the wrong side and
completely flipped over. Everything still flows properly and will never
known unless a body scan is taken. ⼀Answer: Situs Inversus
Biology 255 - EXAM 1 Questions and
Answers (100% Correct Answers) Already
Graded A+
Question: In Natural Selection, some individuals within a species have _
over their competitors that enable them to produce more offspring. ⼀
Answer: Hereditary Advantage
© 2025 Assignment Expert
Question: The principle theory of how evolution works ⼀Answer:
Exampromax - Stuvia US
Natural Selection
Question: Natural forces that promote the reproductive success of some
individuals more than others ⼀Answer: Selection Pressures
Question: _ include such things as climate, predators, disease,
competition, and the availability of food. ⼀Answer: Selection Pressures
Question: _ are features of anatomy, physiology, and behavior that have
evolved in response to these selection pressures and enable the organism to
cope with the challenges of its environment. ⼀Answer: Adaptations
Question: Features of an organism's anatomy, physiology, or behavior
that have evolved in response to selection pressures. ⼀Answer:
Adaptations
Question: Change in genetic composition of a population of organisms
⼀Answer: Evolution
, 2 Exampromax - Stuvia US 2025/2026
Question: How species originate and change through time ⼀Answer:
Theory of Natural Selection
Question: Natural selection is driven by _. ⼀Answer: Selection
Pressures
Question: Something present in environment that causes that advantage
to develop ⼀Answer: Selection Pressures
© 2025 Assignment Expert
Question: Introduction of sexual selection and how the female of the
Exampromax - Stuvia US
species is responsible for choosing the mate (dominant in genetic
inheritance) ⼀Answer: The Descent of Man
Question: _ talked about evolution of the human species. ⼀Answer: The
Descent of Man
Question: Antibiotic resistance is an example of _. ⼀Answer:
Adaptation
Question: Organs only in some of us because there's no longer a need for
them ⼀Answer: Vestigial Organs
Question: What two muscles serve little or no purpose now? ⼀Answer:
Piloerector and Auricularis
Question: _ brings about the genetic change in a population that
constitutes evolution. ⼀Answer: Natural Selection
, 3 Exampromax - Stuvia US 2025/2026
Question: A technique called _ suggests a difference of only 1.6% in
DNA structure between humans and chimpanzees. Chimpanzees and
gorillas differ by 2.3%. ⼀Answer: DNA Hybridization
Question: Chimpanzee's closest living relative is the _. ⼀Answer: Homo
Sapiens
Question: Medical condition in which one organ is in an incorrect
anatomical position. ⼀Answer: Situs Perversus
© 2025 Assignment Expert
Exampromax - Stuvia US
Question: When one organ is on the wrong side and the flow and
function is off ⼀Answer: Situs Perversus
Question: No two humans are exactly alike ⼀Answer: Anatomical
Variation
Question: _% of humans have normal individual structures of the body
and _% don't. ⼀Answer: 70; 30
Question: _ is when the organs are in normal condition and they're all
there in normal locations. ⼀Answer: Situs Solitus
Question: _ is when the entire organ system is on the wrong side and
completely flipped over. Everything still flows properly and will never
known unless a body scan is taken. ⼀Answer: Situs Inversus