Evolution and Classification Crossword Puzzle

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QUESTIONS LIST: paleontologist : use fossil remains to understand different aspects of extinct and living organisms, natural: _ selection - process in which an organism adapts to its environment through selectively reproducing changes in its genotype, genetic : _ recombination - when genetic material is exchanged between two different chromosomes or between different regions within the same chromosome, reproductive : _ isolation - when different species of animals or plants are not able to reproduce, they experience, geographic: _ isolation - the physical separation of members of a population. populations may be physically separated when their original habitat becomes divided, behavioral: _ isolation - occurs when populations of the same species begin to develop different behaviors that are not recognized or preferred by members in another population, adaptation : the biological mechanism by which organisms adjust to new environments or to changes in their current environment, evolution : process of growth and development or the theory that organisms have grown and developed from past organisms, variations : the difference in dna among individuals or the differences between populations, mutations : occurs when a dna gene is damaged or changed in such a way as to alter the genetic message carried by that gene, binomial: _ nomenclature - a formal system of naming species of living things by giving each a name composed of two parts, fossil record : the remains or imprints of organisms from earlier geological periods preserved in sedimentary rock