| Key Concepts | Key Skills/Competencies | Standards/Eligible Content |
|---|---|---|
| Diverse biomes exist in Pennsylvania. | ||
| The biotic and abiotic components within an ecosystem interact. | ||
| Organisms have specific roles in ecosystems. | ||
| Specific habitat management practices influence the success or failure of species. | ||
| Scientists use specific criteria to categorize organisms as threatened, endangered or extinct. | ||
| Biotic and abiotic components within a habitat change, or differ, based on their location and topography. | ||
| Natural and human events can affect aquatic, terrestrial, and wetland environments in a variety of ways. | ||
| Organisms within an ecosystem interact with other biotic components, abiotic components and within populations. |