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WorksheetsEvidence of Evolution
Total questions: 15
Worksheet time: 8mins
The flipper of a whale and the arm of a human have a similar bone structure, but different functions.
similar cell structures
homologous structures (similar anatomy)
similar embryos
biochemical/molecular evidence
The earliest stages of development in a chicken and fish have gill slits and a tail.
fossil evidence
analogous structures
biochemical/molecular evidence
comparing embryo structure
The leg bones of a whale are present, even though they are no longer in use.
similar embryos
vestigial structures (comparing anatomy)
comparing cell structures
comparing biochemistry/molecular evidence
Blue green algae and bacteria lack a nucleus.
homologous structures
comparing cell structures
biochemical evidence
vestigial structures
The base sequence in the DNA of chimpanzees and humans is 99% similar.
biochemical/molecular evidence
comparing anatomy
comparing embryos
fossil evidence
The remains of a human and a mammoth have been found preserved in ice.
analogous structures
comparing embryos
comparing anatomy
fossil evidence
Some humans have a non-functional muscle in their arm(s) called the palmaris longus.
analogous structures
molecular evidence
vestigial structures
comparing embryos
The remains of prehistoric mosquitoes have been found preserved in amber.
comparing anatomy
comparing cell structures
fossil evidence
similar embryos
The DNA of most organisms is coiled around histone proteins
comparing embryos
biochemical/molecular evidence
comparing anatomy
analogous structures
Similarities in bone arrangements, like those in the picture, support the hypothesis that...
these organisms are not well adapted
these organisms share a common ancestor
these organisms all share the same DNA sequences
these organisms are members of the same species
Which of the following is NOT a vestigial structure found in humans?
palmaris longus muscle & tendon
"goosebumps"
(arrector pili muscles)
ear muscles
stomach
The change over time in a species/population over time
evolution
natural selection
