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Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/science/grade-6-science-tx/x6eddf2e1c524bf5a:traits-and-the-environment/x6eddf2e1c524bf5a:trait-variation-and-environmental-change/v/trait-variation-and-environmental-changeUploaded 31-07-26Trait variation influences fitness by affecting how well organisms survive and reproduce in different environments. Whether inherited traits are advantageous or disadvantageous depends on the environment—and when the environment changes. As a result, how common or rare inherited traits are in a population can change over time.Sections:00:00 Intro00:15 Reviewing traits01:02 Advantageous and disadvantageous traits02:28 Effects of environmental changes03:48 Why trait variation is important05:39 SummaryTEKS Standards: SCIENCE.6.13.C------------------Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help! Donate or volunteer today! Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc Volunteer here: https://www.khanacademy.org/contribute?utm_source=youtube&utm_medium=desc Learn more about your ad choices. Visit megaphone.fm/adchoices
