2nd Semester Exam Study Guide #1 Level Of Prevention Practice Questions Correctly Answered 100%

evolution {Ans: change over time}fossil record {Ans: the collection used to help scientists understand what types of animals lived in the past.}embryo {Ans: an unborn human or organism in the early stages of development.}natural selection {Ans: the idea that organisms with the best adaptations are more likely to survive.}common ancestor {Ans: an organism from which many other organisms on Earth are directly descended.}artificial selection {Ans: the passing down of traits that have been selected by man from one generation to the next.}analagous structure {Ans: an anatomical structure that has the same function, but different structure.}cladogram {Ans: a branching diagram that shows relationships between different organisms.}lung {Ans: the main organ of the respiratory system.}homologous structure {Ans: skeletal structures that have similar structure and location but different functions.}parasitism {Ans: a symbiotic relationship where one organism benefits and the other organism is harmed.}autotroph {Ans: Another word for producer. Organisms that make their own food using sunlight. Ex. plants, algae}symbiotic relationship {Ans: any close relationship between species}joint {Ans: any place that two bones join together.}variation {Ans: a trait that makes an individual organism different from others in its species.}commensalism