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Worksheets4-1 Evolution and Common Ancestry
Total questions: 28
Worksheet time: 46mins
What best describes the hind bones seen in the whale?
fossil structures from an extinct ancestor
vestigial structures that had a function in an ancestor
analogous structure to the fins of a living fish
homologous structures to the wings of butterflies
Which statement best represents the illustration?
volves, bison, and horses are mammals
wolf, bison, and horse structures show no evidence of relationship
wolves, bison, and horses evolved in the same habitat
wolves, bison, and horses share homologous structures
Which of the two species have the most distant common ancestor?
species 1 & 4
species 1 & 2
species 1 & 3
species 2 & 3
What is evolution?
When animals move to warmer climates in the winter
How organisms change across many generations
The migration of different species through the seasons
Ancient rock layers and the fossils they contain
What is this a picture of?
Pedigree
Cladogram
Family Tree
Oak Tree
Cladograms are constructed by grouping organisms together based on their____________ characteristics.
shared
different
vestigial
opposite
According to evolutionary theory, all living things have a common
Purpose
Function
Ancestor
Phone Number
The hypothesis that physical structures with no known purpose are leftovers from an ancestor.
Homologous Structure
Vestigial Structure
Anatomical Analogy
Developmental Homology
According to evolutionary theory, similar DNA would mean a common
Ancestor
Environment
Interest
Residency
