1
UCONN BIOLOGY 1108 EXAM 1 QUESTIONS AND
CORRECT ANSWERS 2024/2025 GRADED A+.
phylogeny - (answers)the history of descent with branching
node - (answers)in phylogenetic trees, the point where a branch splits,
representing the common ancestor from which the descendant species diverged
nodes can be rotated without changing ________________________ -
(answers)evolutionary relationships
phylogenetic trees - (answers)provide hypotheses of evolutionary relationships
phylogenetics - (answers)the study of evolutionary relationships among
organisms
taxonomy - (answers)the classification of organisms
phylogenetic tree - (answers)a diagrammed hypothesis about the evolutionary
history, or phylogeny, of a species
a phylogenetic tree is a ______________________________ of the evolutionary
relationships among organisms - (answers)reasoned hypothesis
, 2
the search for sister groups lies at the heart of _______________ -
(answers)phylogenetics
sister groups - (answers)groups that are more closely related to each other than
either of them is to any other group
monophyletic group - (answers)includes of a common ancestor and all of its
descendants
taxon - (answers)(plural, taxa) all the species in a taxonomic entity such as a
family or genus
paraphyletic group - (answers)includes a common ancestor and some, but not all,
of its descendants
polyphyletic group - (answers)does not include the common ancestor
taxonomic classifications are ________________________ and
_______________________ - (answers)information storage, retrieval systems
classification hierarchy - (answers)domain, kingdom, phylum, class, order, family,
genus, species
three domains of life - (answers)Eukarya, Bacteria, Archaea
, 3
homology is similarity by _____________________ - (answers)common descent
characters - (answers)the anatomical, physiological, or molecular features of an
organism that varies among closely related species
character states - (answers)the observed condition of a character, such as
presence or absence of lungs or arrangement of petals
homologous - (answers)characters that are similar because of descent from a
common ancestor
analogous - (answers)similarities due to independent adaptation by different
species
shared derived characters enable biologists to reconstruct
_______________________ - (answers)evolutionary history
synapomorphies - (answers)shared derived characters
cladistics - (answers)phylogenetic reconstruction on the basis of synapomorphies
the _________________ is often favored among multiple possible trees -
(answers)simplest tree
UCONN BIOLOGY 1108 EXAM 1 QUESTIONS AND
CORRECT ANSWERS 2024/2025 GRADED A+.
phylogeny - (answers)the history of descent with branching
node - (answers)in phylogenetic trees, the point where a branch splits,
representing the common ancestor from which the descendant species diverged
nodes can be rotated without changing ________________________ -
(answers)evolutionary relationships
phylogenetic trees - (answers)provide hypotheses of evolutionary relationships
phylogenetics - (answers)the study of evolutionary relationships among
organisms
taxonomy - (answers)the classification of organisms
phylogenetic tree - (answers)a diagrammed hypothesis about the evolutionary
history, or phylogeny, of a species
a phylogenetic tree is a ______________________________ of the evolutionary
relationships among organisms - (answers)reasoned hypothesis
, 2
the search for sister groups lies at the heart of _______________ -
(answers)phylogenetics
sister groups - (answers)groups that are more closely related to each other than
either of them is to any other group
monophyletic group - (answers)includes of a common ancestor and all of its
descendants
taxon - (answers)(plural, taxa) all the species in a taxonomic entity such as a
family or genus
paraphyletic group - (answers)includes a common ancestor and some, but not all,
of its descendants
polyphyletic group - (answers)does not include the common ancestor
taxonomic classifications are ________________________ and
_______________________ - (answers)information storage, retrieval systems
classification hierarchy - (answers)domain, kingdom, phylum, class, order, family,
genus, species
three domains of life - (answers)Eukarya, Bacteria, Archaea
, 3
homology is similarity by _____________________ - (answers)common descent
characters - (answers)the anatomical, physiological, or molecular features of an
organism that varies among closely related species
character states - (answers)the observed condition of a character, such as
presence or absence of lungs or arrangement of petals
homologous - (answers)characters that are similar because of descent from a
common ancestor
analogous - (answers)similarities due to independent adaptation by different
species
shared derived characters enable biologists to reconstruct
_______________________ - (answers)evolutionary history
synapomorphies - (answers)shared derived characters
cladistics - (answers)phylogenetic reconstruction on the basis of synapomorphies
the _________________ is often favored among multiple possible trees -
(answers)simplest tree
