GED® Science: Ecosystems, Food Webs & Biodiversity
A focused environmental science course on ecosystems, food webs, energy flow, biodiversity, carrying capacity, and conservation. Lessons build the ideas in a natural order, with GED®-style reasoning and 20 practice questions.
📚 Course Curriculum
Environmental science becomes easier when you stop memorizing separate facts and start seeing a system. An ecosystem includes the living things in an area and …
🔒 Enroll to unlock this session.
Energy enters most ecosystems through producers: plants, algae, and some bacteria that make food using sunlight. Consumers get energy by eating producers or other consumers. …
Open trial session →Biodiversity means variety in living systems. It includes genetic diversity within a species, species diversity within a community, and ecosystem diversity across a region. A …
Open trial session →Every population needs resources: food, water, space, shelter, and suitable conditions. When resources are plentiful, a population can grow quickly. But no environment can support …
Open trial session →Course Syllabus
This self-paced GED® Science course follows a 4-lesson sequence. Work through the modules in order so that each skill supports the next.
Course sequence
Module 1 - Lessons 1-4
- See the Ecosystem as a Living System
- Food Webs: Energy Flows, Matter Cycles
- Biodiversity Makes Ecosystems More Resilient
- Populations, Carrying Capacity, and Human Choices
Practice and completion
- Use worked examples and lesson practice to check understanding after each module.
- Review incorrect answers, explain the correction, and repeat weak skills.
- Complete the available mixed or final course practice to demonstrate readiness.
Course Outcomes
By the end of this course, learners will be able to:
- Explain the key scientific ideas and vocabulary in See the Ecosystem as a Living System.
- Interpret observations, data, models, or evidence related to Food Webs: Energy Flows, Matter Cycles.
- Apply scientific reasoning to questions involving Biodiversity Makes Ecosystems More Resilient.
- Evaluate explanations and identify common errors about Populations, Carrying Capacity, and Human Choices.
- Use feedback and answer explanations to diagnose and correct mistakes.
- Complete mixed, exam-style practice with clearer reasoning and greater independence.
📝 Practice Questions
20 interactive questions with instant feedback and explanations.
Enroll for free to unlock the full practice bank after the trial sessions.