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Biology 255 - EXAM 1 Questions and Correct
Answers/ Latest Update / Already Graded
In Natural Selection, some individuals within a species have _ over their competitors
that enable them to produce more offspring.
Ans: Hereditary Advantage
The principle theory of how evolution works
Ans: Natural Selection
Natural forces that promote the reproductive success of some individuals more than
others
Ans: Selection Pressures
_ include such things as climate, predators, disease, competition, and the availability
of food.
Ans: Selection Pressures
_ 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.
Ans: Adaptations
Features of an organism's anatomy, physiology, or behavior that have evolved in
response to selection pressures.
Ans: Adaptations
Change in genetic composition of a population of organisms
Ans: Evolution
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How species originate and change through time
Ans: Theory of Natural Selection
Natural selection is driven by _.
Ans: Selection Pressures
Something present in environment that causes that advantage to develop
Ans: Selection Pressures
Introduction of sexual selection and how the female of the species is responsible for
choosing the mate (dominant in genetic inheritance)
Ans: The Descent of Man
_ talked about evolution of the human species.
Ans: The Descent of Man
Antibiotic resistance is an example of _.
Ans: Adaptation
Organs only in some of us because there's no longer a need for them
Ans: Vestigial Organs
What two muscles serve little or no purpose now?
Ans: Piloerector and Auricularis
_ brings about the genetic change in a population that constitutes evolution.
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Ans: Natural Selection
A technique called _ suggests a difference of only 1.6% in DNA structure between
humans and chimpanzees. Chimpanzees and gorillas differ by 2.3%.
Ans: DNA Hybridization
Chimpanzee's closest living relative is the _.
Ans: Homo Sapiens
Medical condition in which one organ is in an incorrect anatomical position.
Ans: Situs Perversus
When one organ is on the wrong side and the flow and function is off
Ans: Situs Perversus
No two humans are exactly alike
Ans: Anatomical Variation
_% of humans have normal individual structures of the body and _% don't.
Ans: 70; 30
_ is when the organs are in normal condition and they're all there in normal
locations.
Ans: Situs Solitus
_ 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.
Biology 255 - EXAM 1 Questions and Correct
Answers/ Latest Update / Already Graded
In Natural Selection, some individuals within a species have _ over their competitors
that enable them to produce more offspring.
Ans: Hereditary Advantage
The principle theory of how evolution works
Ans: Natural Selection
Natural forces that promote the reproductive success of some individuals more than
others
Ans: Selection Pressures
_ include such things as climate, predators, disease, competition, and the availability
of food.
Ans: Selection Pressures
_ 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.
Ans: Adaptations
Features of an organism's anatomy, physiology, or behavior that have evolved in
response to selection pressures.
Ans: Adaptations
Change in genetic composition of a population of organisms
Ans: Evolution
, 2 | Page
How species originate and change through time
Ans: Theory of Natural Selection
Natural selection is driven by _.
Ans: Selection Pressures
Something present in environment that causes that advantage to develop
Ans: Selection Pressures
Introduction of sexual selection and how the female of the species is responsible for
choosing the mate (dominant in genetic inheritance)
Ans: The Descent of Man
_ talked about evolution of the human species.
Ans: The Descent of Man
Antibiotic resistance is an example of _.
Ans: Adaptation
Organs only in some of us because there's no longer a need for them
Ans: Vestigial Organs
What two muscles serve little or no purpose now?
Ans: Piloerector and Auricularis
_ brings about the genetic change in a population that constitutes evolution.
, 3 | Page
Ans: Natural Selection
A technique called _ suggests a difference of only 1.6% in DNA structure between
humans and chimpanzees. Chimpanzees and gorillas differ by 2.3%.
Ans: DNA Hybridization
Chimpanzee's closest living relative is the _.
Ans: Homo Sapiens
Medical condition in which one organ is in an incorrect anatomical position.
Ans: Situs Perversus
When one organ is on the wrong side and the flow and function is off
Ans: Situs Perversus
No two humans are exactly alike
Ans: Anatomical Variation
_% of humans have normal individual structures of the body and _% don't.
Ans: 70; 30
_ is when the organs are in normal condition and they're all there in normal
locations.
Ans: Situs Solitus
_ 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.
