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WorksheetsTerm 2 Week 3 Homework Task
Total questions: 20
Worksheet time: 18mins
Which of the following is the collection of life's remains found in sedimentary rock?
natural selection
homologous structures
Charles Darwin
the fossil record
Similar structures with different purposes found in different species are known as _____
vestigial structures
DNA
homologous structures
the fossil record
The picture shows a ______________
homologous structure
vestigial structure
The appendix, which is not needed to survive, is conisdered to be a
Homologous Structure
Analagous Structure
Vestigial Structure
Homology
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 evidence shows patterns of change in organisms from early life to modern life?
homologous structures
transitional fossils
vestigial structures
proteins
The study of organisms at their earliest stage of life
embryology
the fossil record
DNA
vestigial structures
The picture shows a _____________
homologous structure
vestigial structure
This is any alteration in a structure or a function that allows an organism to be better suited for its environment.
vestigial structures
adaptation
embryo
species
If an organism has a vestigial structure, that structure likely once had a function in a/an.
close relative
early ancestor
unrelated organism
embryological stage
