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Biology 1 B Week 1
Transcript of Biology 1 B Week 1
The Laws of Conservation
Balanced Chemical Equations
The Hardy-Weinburg Principle
Homeostasis 6a--Students know biodiversity is the sum total of different kinds of organisms and is affected by alterations of habitats. The Standard in Depth: 6b-- Students know how to analyze changes in an ecosystem resulting from changes in climate, human activity, introduction of nonnative species, or changes in population size. 6d-- Students know how water, carbon, and nitrogen cycle between abiotic resources and organic matter in the ecosystem and how oxygen cycles through photosynthesis and respiration. 6e-- Students know a vital part of an ecosystem is the stability of its producers and decomposers. 6f-- Students know at each link in a food web some energy is stored in newly made structures but much energy is dissipated into the environment as heat. This dissipation may be represented in an energy pyramid. The circle of life! Biogeochemical cycles: HIPPO =
Over Exploitation What is Biodiversity? Would loosing one species really be such a big deal? Why do we care? What i$ the real value of biodiversity? how does climate change impact ecosystems? “I saw all the people hustling early in the morning to go into the factories and the stores and the office buildings, to do their job, to get their check. But ultimately it's not office buildings or jobs that give us our checks. It's the soil. The soil is what gives us the real income that supports us all” ~ Ed Begley, Jr. Man has only a thin layer of soil between himself and starvation.