Unit 10: Topic 2
Presentation
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Science
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9th Grade
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Practice Problem
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Easy
Dilenia Gomez
Used 2+ times
FREE Resource
12 Slides • 6 Questions
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Multiple Choice
Which statement best explains why homologous structures support the theory of evolution?
They are always used for the same function in every species.
They show that animals can develop new features suddenly.
They suggest different species inherited traits from a common ancestor.
They always appear during adulthood.
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Multiple Choice
Which of the following pairs are analogous structures?
Whale flipper and human arm
Bird wing and butterfly wing
Cat paw and lion paw
Fish fin and frog leg
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Multiple Choice
What does the presence of vestigial structures, like a whale’s pelvis bone, suggest?
Whales are part reptile.
Whales once had ancestors that used that structure.
Whales evolved from birds.
The pelvis is still needed for swimming.
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Multiple Choice
What do similarities in the early embryos of fish, birds, and mammals suggest?
They will grow up to be the same species.
They were all created independently.
They share a common ancestor.
Their DNA is completely identical.
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Multiple Choice
Which evidence is used in molecular biology to support evolution?
Size of bones
Wing shape and strength
Coloration of fur or feathers
DNA and protein sequence similarities
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Match
Match the following
Early developmental stage of an organism
Physical remains or impressions of organisms from the past
Structures that were functional in ancestors but reduced in current species
Similar structures inherited from a common ancestor
Structures that serve the same function but have different evolutionary origins
Embryo
Fossil record
vestigial Structures
Homologous structures
Analogous structures
Embryo
Fossil record
vestigial Structures
Homologous structures
Analogous structures
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