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Science Crossword

Maddie Lawyer

Word Bank
adaptation, branching tree diagram, convergent evolution, evolution, fossil, gradualism, homologous structures, natural selection, punctuated equilibrium, scientific theory, shared derived characteristic, species, variation

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4.pattern of evolution characterized by the slow and steady accumulation of small genetic changes over long periods of time
5.a diagram that shows probable evolutionary relationships among organisms and the order in which specific characteristics may have evolved (3 Words)
9.pattern of evolution in which long stable periods are interrupted by brief periods of more rapid change (2 Words)
10.an inherited behavior or physical characteristic that helps an organism survive and reproduce in its environment
12.the preserved remains or traces of an organism that lived in the past
13.The process by which unrelated organisms evolve similar characteristics (2 Words)
1.a characteristic or trait, such as fur, that the common ancestor of a group had and passed on to its descendants (3 Words)
2.any difference between individuals of the same species
3.the process by which organisms that are best adapted to their environment are most likely to survive and reproduce (2 Words)
6.a well-tested explanation for a wide range of observations or experimental results (2 Words)
7.structures that are similar in different species and that have been inherited from a common ancestor (2 Words)
8.a group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce.
11.change over time; the process in which modern organisms have descended from the ancient organisms.

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