This site contains files for Ecology and Environmental Science classes at the Holistic Education and Development Center. The contents are organized per grade level so simply scroll down and locate what you need.
Grade 5 (Ecology)
illegal logging by joses regala
population growth by rem bautista
desert.ppt
freshwater biomes.ppt
temperate deciduous forest.ppt
tropical rainforest.ppt
tundra.ppt
Grade 6 (Ecology)
grasslands.ppt
savanna.ppt
taiga.ppt
HS I and II (Environmental Science)
air pollution.ppt
soil pollution.ppt
handout on landfills.doc
water pollution.ppt
diseases from polluted water.ppt
files for download
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