Evolution/Rat Island Crossword

adaptation where one species resembles the appearance or behavior of another species
adaptation that enables an organism to blend with it's surroundings
structures that may be similar in function but do not show a common evolutionary origin
structures in different species that show a common evolutionary origin
a structure in present-day organisms that no longer serve a purpose but may have in an ancestor
physical features of an organism like the bill on a bird or the fur on a bird
variation in the relative frequency of different genotypes in a small population, owning to the chance disappearance of particular genes as individuals die or do not reproduce
changes in an organism's metabolic and internal processes that help survival
a change in DNA; can lead to a new trait
any structure, behavior, trait that helps an organism survive in an environment
breeding individuals with specific traits in order to produce offspring with those traits
mechanism for evolution; organisms with the best traits and adaptations to survive, reproduce, and pass those traits to offspring
changes in species overtime
a process that occurs over successive generations
the ability to survive to a reproductive age, fins a mate, and produce offspring
the movement of populations, groups or individuals