Interactive worksheet exploring biotic and abiotic components in a park ecosystem, illustrated with a vibrant outdoor scene.

Final Answer:
Biotic components: person, dog, squirrel, bird, raccoon, trees, flowers, grass, butterfly, mushrooms (on ground), insects (e.g., ants near flowers).
Abiotic components: road, bench, signpost (“No Littering”), air, sunlight, soil, water (in puddles or implied), city buildings (background), clouds.

For the organism explanation (example using squirrel):
The squirrel needs food (nuts, seeds — biotic), shelter (tree hollows — biotic), and safety. The habitat provides trees (biotic) to climb and nest in, and soil (abiotic) where nuts grow. Sunlight (abiotic) helps plants produce nuts. The road (abiotic) is a danger, but the park’s green space (biotic + abiotic mix) supports its survival.

Humans impact ecosystems by walking dogs (disturbing wildlife), littering (polluting soil/water — abiotic harm), building cities (replacing forests — loss of biotic habitat), and planting gardens (adding biotic elements). In other ecosystems, humans might dam rivers (changing water flow — abiotic) or overfish (reducing biotic populations).