Theory of Evolution
questions and answers
2025-2026
The branches in phylogenetic trees ________.
a. account for time since species diverged
b. indicate evolutionary order
c. are aligned by physical appearance - answer b. indicate
evolutionary order
The Linnaean taxonomic system is ________.
a. being forsaken
b. static
c. fluid - answer c. fluid
Natural selection is ________.
a. the process that causes genetic mutations
b. constant and unchanging
c. based on present environmental conditions - answer c.
based on present environmental conditions
, Structures with no apparent function in a modern
organism are ________.
a. leftover
b. vestigial
c. redundant - answer b. vestigial
Scientists use shared biological components such as
ribosomes to determine relationships among ________.
a. different species within the domains Archaea and
Eukarya
b. individuals of the same species
c. the three domains of life - answer c. the three domains
of life
When two species evolve in unique directions from a
common point, the process of ________ is at work.
a. selective pressure
b. convergent evolution
c. divergent evolution - answer c. divergent evolution
Phylogenetic trees are usually based on ________ evidence.
a. genetic and chemical
questions and answers
2025-2026
The branches in phylogenetic trees ________.
a. account for time since species diverged
b. indicate evolutionary order
c. are aligned by physical appearance - answer b. indicate
evolutionary order
The Linnaean taxonomic system is ________.
a. being forsaken
b. static
c. fluid - answer c. fluid
Natural selection is ________.
a. the process that causes genetic mutations
b. constant and unchanging
c. based on present environmental conditions - answer c.
based on present environmental conditions
, Structures with no apparent function in a modern
organism are ________.
a. leftover
b. vestigial
c. redundant - answer b. vestigial
Scientists use shared biological components such as
ribosomes to determine relationships among ________.
a. different species within the domains Archaea and
Eukarya
b. individuals of the same species
c. the three domains of life - answer c. the three domains
of life
When two species evolve in unique directions from a
common point, the process of ________ is at work.
a. selective pressure
b. convergent evolution
c. divergent evolution - answer c. divergent evolution
Phylogenetic trees are usually based on ________ evidence.
a. genetic and chemical
