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Biology Chapter 10 : Topic 5
Evidence of Evolution
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Fossils are:
Reasoning: Fossils provide evidence of organisms that lived in the past.
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The study of fossils is called:
Reasoning: Palaeontology deals with fossil records.
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Fossil records provide evidence that:
Reasoning: Fossils show gradual changes in organisms through geological time.
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Which evidence directly shows the existence of extinct organisms?
Reasoning: Fossils are remains of organisms that lived long ago.
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Homologous structures are structures that:
Reasoning: Homologous structures indicate common ancestry.
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The forelimbs of humans, whales, bats, and cats are examples of:
Reasoning: They share the same basic structural plan despite different functions.
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Homologous structures provide evidence for:
Reasoning: Similar structures suggest descent from a common ancestor.
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Vestigial structures are:
Reasoning: Vestigial organs are remnants of structures that were functional in ancestors.
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The human appendix is commonly considered a:
Reasoning: The appendix has a reduced function compared to ancestral forms.
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Presence of vestigial organs suggests that:
Reasoning: Vestigial organs are remnants of evolutionary history.
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Selective breeding is the process in which:
Reasoning: Humans select desirable traits and breed organisms accordingly.
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Which of the following is an example of selective breeding?
Reasoning: Humans have bred crops for improved characteristics.
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Selective breeding provides evidence of evolution because it shows that:
Reasoning: Artificial selection demonstrates how populations can be modified.
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Which of the following is NOT evidence of evolution?
Reasoning: Cell respiration is a life process, not evidence of evolution.
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Fossils arranged from older to newer layers often show:
Reasoning: Fossil sequences reveal evolutionary changes over time. -----------------------------------------------------------------------
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