UW Bio 180 Exam 1 questions and answers 2026\2027 A+
Grade
Organism
- correct answer A living entity made up of one or more cells
Theory
- correct answer An explanation for a very general class of phenomena or observations
Cell Theory
- correct answer All organisms are made of cells and all cells come from preexisting cells
Null Hypothesis
- correct answer Specifies what we should observe when the hypothesis being tested isn't correct
Control Group
- correct answer A group that checks for other factors which are not being tested
Two components of scientific theories
- correct answer Pattern and process
Population
- correct answer Individuals of the same species that are living in the same area at the same time
Descent with modification
- correct answer Evolution
, Pattern component of Evolution
- correct answer 1) Species change through time
2) Species are related through common ancestry
Fossil Record
- correct answer All fossils that have been found and described in the scientific literature
Extant Species
- correct answer Living species
Extinct Species
- correct answer No longer existing species
Transitional Feature
- correct answer A trait in a fossil species that is intermediate between those of older and younger
species
Vestigial Trait
- correct answer 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
- correct answer A family tree of populations or species
Homology
- correct answer Similarity that exists in species because they both inherited the trait from a common
ancestor
Genetic Homology
- correct answer Similarity having to do with similar DNA structuring
Developmental Homology
- correct answer Similarity in the embryonic stage
Grade
Organism
- correct answer A living entity made up of one or more cells
Theory
- correct answer An explanation for a very general class of phenomena or observations
Cell Theory
- correct answer All organisms are made of cells and all cells come from preexisting cells
Null Hypothesis
- correct answer Specifies what we should observe when the hypothesis being tested isn't correct
Control Group
- correct answer A group that checks for other factors which are not being tested
Two components of scientific theories
- correct answer Pattern and process
Population
- correct answer Individuals of the same species that are living in the same area at the same time
Descent with modification
- correct answer Evolution
, Pattern component of Evolution
- correct answer 1) Species change through time
2) Species are related through common ancestry
Fossil Record
- correct answer All fossils that have been found and described in the scientific literature
Extant Species
- correct answer Living species
Extinct Species
- correct answer No longer existing species
Transitional Feature
- correct answer A trait in a fossil species that is intermediate between those of older and younger
species
Vestigial Trait
- correct answer 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
- correct answer A family tree of populations or species
Homology
- correct answer Similarity that exists in species because they both inherited the trait from a common
ancestor
Genetic Homology
- correct answer Similarity having to do with similar DNA structuring
Developmental Homology
- correct answer Similarity in the embryonic stage
