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Questions/ Comments What is natural selection? Adapting to the environment The change that makes organisms better suited to their environments develop through a process called Natural selection. Give an Example: peppered moth example of natural selection. What is Adaptations adaptation? The behaviors and physical characteristics of species that allows them to live successfully in the What are environment. some examples Ex : fish have gills so they can breath of under water adaptation? Giraffes have long necks to eat the leaves. What is Competition competion? Because many organisms share the same ecosystem they are bound to compete. Competition, the struggle Give an between organisms to survive in a example of habitat with limited resources. competiton. Ex: Two birds compete for the seeds on a tree. What is Predatation predation? Predation is when one organism kills and eats another. What is the The organism being eaten is the prey difference and the organism that kills is the between a predator. predator Ex: A snake kills and eats a mouse. and a prey? The snake is the predator and the mouse is the prey. Give an example of predation? Symbiosis is a relationship between two species that benefits at least one species. There are three types of symbiotic relationships: Mutualism, Commensalism and Parasitism. Mutualism- a relationship in which both species benefit. ++ Ex: the relationship between a butterfly and a flower. Commensalism – A relationship in which one species benefits and the other is neither helped nor harmed. +0 Ex: A bird building a nest in a tree. Parasitism- involves one organism living on or inside another organism.+The organism that benefits is called a parasite and the organism it lives on or in is called a host. Ex: common parasites are fleas, ticks, and leeches