Evolution rocks FC
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each of the black spaces below before clicking
on it to display the answer.
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| Imprint fossil | A leaf, feather, bones or even the entire body of an imprint on sediment that later hardens to become rock.
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| Mineralized fossil | Minerals can replace wood or bone to create a piece of petrified wood or a mineralized bone fossil
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| Frozen fossil | the remains of organisms like this mammoth can be trapped in ice that remains frozen for thousands of years.
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| Fossils in ember | when the sticky resin of certin cone-bearing plant hardens over time amber forms it can contain the remains of trapped insects.
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| Cast fossils | minerals can fill in the hollows of animal tracks a mollusk shell or other parts of an organism to create a cast.
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| homologous structures | body parts that have the same in origin and structure and similar in function
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| vestigial structures | the body's of some organisms like structures that do not seem to have a function.
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| embryology | the study of embryos and their development. an embryo is the earliest growth stage of an organism.
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| DNA | is the molecule that controls heredity and directs the development of every organism. a.k.a. blood
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| fossils | provide a record of organisms in the past yet the record is not complete
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texas34
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