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GRADE 9 - 12
LIFE SCIENCE BODY OF KNOWLEDGE

A. The distribution and abundance of organisms is determined by the interactions between organisms, and between organisms and the non-living environment.
B. Energy and nutrients move within and between biotic and abiotic components of ecosystems via physical, chemical and biological processes.
C. Human activities and natural events can have profound effects on populations, biodiversity and ecosystem processes.

  BENCHMARK CODE BENCHMARK
  SC.912.L.17.1 Discuss the characteristics of populations, such as number of individuals, age structure, density, and pattern of distribution.
Remote Page: Population ecology
* SC.912.L.17.2 Explain the general distribution of life in aquatic systems as a function of chemistry, geography, light, depth, salinity, and temperature.
Remote Page: Economic perspective (water and the environment)
* SC.912.L.17.3 Discuss how various oceanic and freshwater processes, such as currents, tides, and waves, affect the abundance of aquatic organisms.
* SC.912.L.17.4 Describe changes in ecosystems resulting from seasonal variations, climate change and succession.
Local Page: Watersheds and Springsheds Critical Influences (Bioaccumulation illustrates how humans influence aquatic systems)
Global Warming Coastal River Systems - University of Florida Studies
Remote Page: http://www.watercare.net (From "water-living and learning" one may choose "water supply", "water conservation", "competition for water", to illustrate the impact humans have on aquatic systems and ways of avoidance)
www.globe.gov (using the conservation section, under pH, use the fun games to learn about pH.)
www.bsu.edu (desribes what an aquifer is and how it works as well as where it may be found. You can create your own aquifer, and increases understanding of their importance.)
* SC.912.L.17.5 Analyze how population size is determined by births, deaths, immigration, emigration, and limiting factors (biotic and abiotic) that determine carrying capacity.
Remote Page: Carrying capacity
* SC.912.L.17.6 Compare and contrast the relationships among organisms, including predation, parasitism, competition, commensalism, and mutualism.
  SC.912.L.17.7 Characterize the biotic and abiotic components that define freshwater systems, marine systems and terrestrial systems.
Local Page: Florida's Springs
* SC.912.L.17.8 Recognize the consequences of the losses of biodiversity due to catastrophic events, climate changes, human activity, and the introduction of invasive, non-native species.
Local Page: Submerged Aquatic Vegetation Control (See also L.17.4 above)
* SC.912.L.17.9 Use a food web to identify and distinguish producers, consumers, and decomposers. Explain the pathway of energy transfer through trophic levels and the reduction of available energy at successive trophic levels.
* SC.912.L.17.10 Diagram and explain the biogeochemical cycles of an ecosystem, including water, carbon, and nitrogen cycle.
* SC.912.L.17.11 Evaluate the costs and benefits of renewable and nonrenewable resources, such as water, energy, fossil fuels, wildlife, and forests.
Local Page: Alternative Energy
  SC.912.L.17.12 Discuss the political, social, and environmental consequences of sustainable use of land.
  SC.912.L.17.13 Discuss the need for adequate monitoring of environmental parameters when making policy decisions.
  SC.912.L.17.14 Assess the need for adequate waste management strategies.
Remote Page: Waste
  SC.912.L.17.15 Discuss the effects of technology on environmental quality.
Local Page: Ground Water - Aquifers Critical Influences (permeability of recharge areas)
Remote Page: AquiferActivity (find and select Aquifer Activity on that website, which helps people to learn about the aquifer and steps they may take to avoid harm to it.)
  SC.912.L.17.16 Discuss the large-scale environmental impacts resulting from human activity, including waste spills, oil spills, runoff, greenhouse gases, ozone depletion, and surface and groundwater pollution.
  SC.912.L.17.17 Assess the effectiveness of innovative methods of protecting the environment.
  SC.912.L.17.18 Describe how human population size and resource use relate to environmental quality.
Local Page: Urbanization
  SC.912.L.17.19 Describe how different natural resources are produced and how their rates of use and renewal limit availability.
Local Page: Wetlands
Remote Page: Model Wetland Mangrove (This lab is building one's own mangrove plant, illustrating how mangroves live in a muddy environment that will not readily suport other types of trees. This lab helps to understand how the wetlands support only certain kinds of plants and animals.)
* SC.912.L.17.20 Predict the impact of individuals on environmental systems and examine how human lifestyles affect sustainability.
Local Page: Urbanization Wetlands
Remote Page: www.ngwa.org (tells how wetlands are made, and their function. This activity teaches how nature protects and cleans wetland waters by your designing aa wetland filter)
News and Views
News Items

November 30, 2013
On environment, shortsightedness costs Florida big.
Scott Maxwell, Taking Names.
read more

October 9, 2013
Fuel Cell Today analysis.
The Fuel Cell Industry Review 2013.
read more

September 25, 2013
Fuel Cell Today analysis.
The Potential for Fuel Cell Prime Power in Japan.
read more

August 1, 2013
Duke Energy to cancel proposed Levy County nuclear plant.
read more

May 22, 2013
Fuel Cell Today analysis.
Electrolysers for Renewable Energy Efficiency.
read more

March 13, 2013
Beyond Electricity: Using Renewables Effectively.
read more

September 24, 2012
Sewer Systems Legal Filing.
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February 1, 2012
Fuel Cell Today update.
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January 13, 2012
Sewer Agenda.
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December 23, 2011
Scientist: Water account overdrawn.
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Novemver 14, 2011
Submission to the Citrus County Commissioner, 14 November, 2011.
read more