GED® Science: Environmental Science Complete Review – Vol. 1 (Ecosystems & Human Impact)
A comprehensive GED® Environmental Science review covering ecosystems, biomes, food webs, energy flow, nutrient cycles, biodiversity, population dynamics, human impact on the environment, land use, and conservation strategies. Ideal for students who want full coverage of Environmental Science in one structured course.
📚 Course Curriculum
An ecosystem is all the living organisms in an area plus the non-living physical environment, interacting as a system. It has two components:. Biotic factors …
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Feeding relationships move energy through an ecosystem. Every organism fits into a feeding (trophic) level:. Producers (autotrophs) — make their own food using sunlight (photosynthesis) …
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Biodiversity is the variety of life. It has three levels:. Genetic diversity — variation in DNA within a species; allows adaptation to change. Species diversity …
Open trial session →A population grows when births (and immigration) exceed deaths (and emigration). The four factors:. Two patterns of population growth:. Exponential growth (J-curve): occurs when resources …
Open trial session →Human activities have dramatically altered Earth's ecosystems, especially since industrialization. The GED® tests your ability to identify these impacts and their ecological consequences. Habitat destruction …
Open trial session →How humans use land and extract resources has profound ecological consequences. Land use categories and their impacts:. Cropland: 50% of Earth's habitable land is used …
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Conservation biology aims to protect biodiversity and restore damaged ecosystems. The GED® tests knowledge of major strategies and their rationale. Protected areas:. National parks and …
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Course Syllabus
Course Outcomes
📝 Practice Questions
21 interactive questions with instant feedback and explanations.
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