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Conservation biology

Ch. 55 Campbell's AP Bio

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Chapter 55 Conservation Biology and Restoration Ecology Lecture Outline Overview: The Biodiversity Crisis Conservation biology integrates ecology, evolutionary biology, physiology, molecular biology, genetics, and behavioral ecology to conserve biological diversity at all levels. Restoration ecology applies ecological principles in an effort to return degraded ecosystems to conditions as similar as possible to their natural, predegraded state. Scientists have described and formally named about 1.8 million species of organisms. Some biologists think that about 10 million more species currently exist. Others estimate the number to be as high as 200 million.

Conservation of Energy Lab

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Conservation of Energy Kevin D. Edgerton Objective: The objective of this experiment is to study the law of conservation of energy and see how the conservation of energy equation is used. . Data and Calculations: Part I: Bouncing Ball Mass of Ball 417.2g Ranger to floor distances 0.771m 0.778m 0.765m 0.769m 0.775m Average 0.7716m The Total Energy drops to near zero when the ball hits the ground. It does not violate the law of conservation of energy because the energy lost in the collision with the ground is not accounted for by the measurements of potential and kinetic energy. Because of this, the total energy decreases after each bounce. With a lighter ball there may be less energy lost during the collisions.
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