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Evolution And Fossils Crossword Puzzle

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Evolution and Fossils



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2 The scientist who formed the theory of evolution by natural selection
3 Traits that organisms get or acquire; they are not born with them
5 Fossils that help fill the gaps in the fossil record
6 All of the fossils that have been discovered
7 Organisms share structural traits that may have similar or different functions
9 An inherited characteristic that helps an organism survive and reproduce in its environment
10 Generating more offspring than will likely survive
11 The study of development
12 When all of the members of a species have died
14 The process by which organisms that inherit advantageous traits tend to reproduce more successfully
1 Natural differences within a species
3 When humans select plants or animals for breeding based on desired traits
4 The remains or imprints of once-living organisms
8 How populations change over time
13 Economist who wrote that populations will compete for needed resources
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