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Fossil Record Fill In The Blanks

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In each blank, try to type in the word that is missing. If you've typed in the correct word, the blank will turn green.

If your not sure what answer should be entered, press the space bar and the next missing letter will be displayed.

When you are all done, you should look back over all your answers and review the ones in red. These ones in red are the ones which you needed help on.
Term: EvolutionDefinition: in heritable traits over successive generations.
Term: Law of Definition: The principle that sedimentary rock layers are older than the rock that are above it and younger than the rock layers below it.
Term: Definition: The development of a species its life cycle
Term: Definition: The relationship of a species through a common .
Term: FossilDefinition: Any evidence of a past geologic age; usually found in sedimentary rock.
Term: Index Definition: A fossil used to determine the age of a rock .
Term: CladogramDefinition: A diagram that relationships between species.
Term: AncestorDefinition: An ancestor that is shared by two or more .
Term: Relative Definition: The age of an in relation to the ages of other objects.
Term: Absolute Definition: The numeric age of an or event, often found by using radiometric dating.
Term: Embryos that have a closer related form ....Definition: they share a more recent common .
Term: In closer related forms, the earlier of embryos are...Definition: more similar than stages.
Term: can provide evidence of....Definition: past climates, past ecosystems, past , mountain building, and past biodiversity.
Term: The of fossil leaves can tell us of.... Definition: past .
Term: Percentage of species that have gone .Definition: Over 90 %
Term: Finding reef fossils in the desert provide what type of ?Definition: The area was once by an ocean.
Term: What can pollen fossils tell us the past?Definition: The type of that lived there.
Term: ExtinctionDefinition: When a dies off from the earth.
Term: HaeckelDefinition: Biologist and whose drawings show a commonality in embryology.
Term: EmbryologyDefinition: The study of embryos and development.
 
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