1
UW Bio 180 Exam 1 Questions with Detailed Verified
Answers (100% Correct Answers) /Already Graded A+
Organism
Ans: A living entity made up of one or more cells
Theory
Ans: An explanation for a very general class of phenomena or observations
Cell Theory
Ans: All organisms are made of cells and all cells come from preexisting cells
Null Hypothesis
Ans: Specifies what we should observe when the hypothesis being tested isn't
correct
Control Group
Ans: A group that checks for other factors which are not being tested
Two components of scientific theories
Ans: Pattern and process
Population
Ans: Individuals of the same species that are living in the same area at the
same time
Descent with modification
Ans: Evolution
Pattern component of Evolution
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vPretest - Stuvia US
, 2
Ans: 1) Species change through time
2) Species are related through common ancestry
Fossil Record
Ans: All fossils that have been found and described in the scientific literature
Extant Species
Ans: Living species
Extinct Species
Ans: No longer existing species
Transitional Feature
Ans: A trait in a fossil species that is intermediate between those of older and
younger species
Vestigial Trait
Ans: A reduced or incompletely developed structure that has no function or
reduced function but is clearly similar to functioning organs or structures in
closely related species
Phylogeny
Ans: A family tree of populations or species
Homology
Ans: Similarity that exists in species because they both inherited the trait
from a common ancestor
Genetic Homology
Ans: Similarity having to do with similar DNA structuring
Developmental Homology
Approved By:
vPretest - Stuvia US
UW Bio 180 Exam 1 Questions with Detailed Verified
Answers (100% Correct Answers) /Already Graded A+
Organism
Ans: A living entity made up of one or more cells
Theory
Ans: An explanation for a very general class of phenomena or observations
Cell Theory
Ans: All organisms are made of cells and all cells come from preexisting cells
Null Hypothesis
Ans: Specifies what we should observe when the hypothesis being tested isn't
correct
Control Group
Ans: A group that checks for other factors which are not being tested
Two components of scientific theories
Ans: Pattern and process
Population
Ans: Individuals of the same species that are living in the same area at the
same time
Descent with modification
Ans: Evolution
Pattern component of Evolution
Approved By:
vPretest - Stuvia US
, 2
Ans: 1) Species change through time
2) Species are related through common ancestry
Fossil Record
Ans: All fossils that have been found and described in the scientific literature
Extant Species
Ans: Living species
Extinct Species
Ans: No longer existing species
Transitional Feature
Ans: A trait in a fossil species that is intermediate between those of older and
younger species
Vestigial Trait
Ans: A reduced or incompletely developed structure that has no function or
reduced function but is clearly similar to functioning organs or structures in
closely related species
Phylogeny
Ans: A family tree of populations or species
Homology
Ans: Similarity that exists in species because they both inherited the trait
from a common ancestor
Genetic Homology
Ans: Similarity having to do with similar DNA structuring
Developmental Homology
Approved By:
vPretest - Stuvia US
