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Hosted by Ms. Schmidt All things Darwin Evidence of Evolution Patterns of Behavior Interactions 100 100 100 100 200 200 200 200 300 300 300 300 400 400 400 400 500 500 500 500 What is naturalist? Darwin’s job on the HMS Beagle Row 1, Col 1 What is a branching tree? A diagram that shows how scientists think different groups of organisms are related. 1,2 What is a pheromone? A chemical released by one animal that affects the behavior of another animal of the same species. 1,3 What is a niche? The role of an organism in it’s habitat. 1,4 What is an adaptation? A trait that helps an organism survive and reproduce. 2,1 What are genes? Only traits controlled by ____ can be acted on by natural selection. 2,2 What is Migration? The regular, seasonal journey of an animal from one place to another and back again. 2,3 What is commensalism? Commensalism, mutualism, or parasitism: as cattle forage in fields insects are stirred up, egrets follow the livestock and catch and feed upon the insects. 2,4 What is a Natural Selection? The process by which individuals that are better adapted to their environment are more likely to survive and reproduce than other members of the same species. 3,1 What are homologous structures? Similar structures that related species have inherited from a common ancestor. 3,2 What is aggression? A threatening behavior that one animal uses to gain control over another. 3,3 What is predation? An interaction where one organism kills another for food 3,4 What is evolution? The gradual change in a species over time. 4,1 What is isolated or separated? A new species forms when a group is ________ from the rest Of the species. 4,2 What is compete? Animals ___________ for Limited resources. 4,3 What is mutualism? A relationship in which both species benefit. 4,4 What is variation? Any difference between Individuals of the same species. 5,1 What are fossils, early development, homologous structures or DNA? Three things that scientists look at to determine evolutionary relationships among species. 5,2 What is a circadian rhythm? Behavior cycles that occur over a period of approximately one day. 5,3 What is symbiosis or symbiotic relationships? Mutualism, commensalism, and parasitism are all types of __. 5,4