BIO 180 Exam 1 Questions and Answers
(Latest 2026)
cell theory - Correct Answers ✅all organisms come from
cells and all cells come from pre-existing cells
null hypothesis - Correct Answers ✅what should be
observed when the hypothesis being tested isn't correct
process vs pattern - Correct Answers ✅process is the
observation while the pattern is the explanation
population - Correct Answers ✅individuals of the same
species that live in the same area at the same time
transitional feature - Correct Answers ✅trait in a fossil
species that is intermediate between younger and older
species
vestigal trait - Correct Answers ✅reduced structure that
has little or no function but is similar to a structure in
ancestral or closely related species
polygenetic tree - Correct Answers ✅branching diagram
that describes ancestor-descendant relationship
artificial selection - Correct Answers ✅manipulating the
composition of a process trough desirable traits
, BIO 180 Exam 1 Questions and Answers
(Latest 2026)
4 postulates of natural selection - Correct Answers
✅variation exists, some traits are heritable, survival is
variable, survival is not random
fitness - Correct Answers ✅ability to produce offspring
relative to the ability in other individuals in a population
adaptation - Correct Answers ✅heritable trait that
increases fitness of an individual in a particular environment
genetics - Correct Answers ✅branch of biology that
focuses on the inheritance of traits
heredity - Correct Answers ✅transmission of trait from
parent to offspring
trait - Correct Answers ✅any characteristic of an individual
polymorphic - Correct Answers ✅when a trait shows up in
two or more different forms
phenotype - Correct Answers ✅observable traits of an
organism
(Latest 2026)
cell theory - Correct Answers ✅all organisms come from
cells and all cells come from pre-existing cells
null hypothesis - Correct Answers ✅what should be
observed when the hypothesis being tested isn't correct
process vs pattern - Correct Answers ✅process is the
observation while the pattern is the explanation
population - Correct Answers ✅individuals of the same
species that live in the same area at the same time
transitional feature - Correct Answers ✅trait in a fossil
species that is intermediate between younger and older
species
vestigal trait - Correct Answers ✅reduced structure that
has little or no function but is similar to a structure in
ancestral or closely related species
polygenetic tree - Correct Answers ✅branching diagram
that describes ancestor-descendant relationship
artificial selection - Correct Answers ✅manipulating the
composition of a process trough desirable traits
, BIO 180 Exam 1 Questions and Answers
(Latest 2026)
4 postulates of natural selection - Correct Answers
✅variation exists, some traits are heritable, survival is
variable, survival is not random
fitness - Correct Answers ✅ability to produce offspring
relative to the ability in other individuals in a population
adaptation - Correct Answers ✅heritable trait that
increases fitness of an individual in a particular environment
genetics - Correct Answers ✅branch of biology that
focuses on the inheritance of traits
heredity - Correct Answers ✅transmission of trait from
parent to offspring
trait - Correct Answers ✅any characteristic of an individual
polymorphic - Correct Answers ✅when a trait shows up in
two or more different forms
phenotype - Correct Answers ✅observable traits of an
organism
