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WorksheetsEvidence of Evolution
Total questions: 18
Worksheet time: 3hrs 0mins
What is suggested by the similarity of early embryos of different species of vertebrates?
no evolutionary relationships between the groups
similar environments in the past
evolution from a distant common ancestor
Two organisms that are closely related would have
very similar DNA sequence
no proteins in common
exactly the same DNA sequences
completely different DNA sequence
Study of embryos of various organisms to show a common ancestor because of similarities in development
natural selection
Speciation
Embryology
Evolution
Structures with similar parts but have different functions; suggests that organisms share a common ancestry
vestigial structures
Analogous structures
homologous structures
Fossil
What type of evidence is represented in the picture above:
Fossils
Vestigial Structures
DNA
Homologous Structures
What type of evidence is shown in the image above?
Fossils
Vestigial structures
Homologous Structures
DNA
Click on ALL examples of a vestigial structure?
A whale's pelvis and femur.
A snake's hind legs.
A human's nose.
A human's appendix.
A human's wisdom teeth.
Because whales have a pelvis and femurs, it shows whales are descended from an ancestor that was able to _____________________.
walk
sing
swim
polka
What type of structure does this image illustrate?
Homologous structures
Analogous structures
Vestigial structures
A type of structure that is physically present, but does not seem to serve a significant function for an organism.
Homologous structure
Analogous structure
Vestigial structure
Standard structure
The appendix, tailbone, and wisdom teeth are all examples of what type of structure in humans?
Homologous
Analogous
Vestigial
Modern
Includes transitional forms that show features of multiple distinct groups of organisms often found in rock layers
Embryology
Anatomy
Biogeography
fossil record
Bird and butterfly wings have the same functions but different structures. What type of evolutionary evidence is this?
Analogous structures
Embryological development
Genetic comparisons
Homologous structures
