1. Other ecosystem parts are not living
Other ecosystem parts are not living. Scientists call these parts of ecosystems abiotic. These slides show a few abiotic things:
(such as rain, temperature, sunlight, clouds, wind, snow)

2. In an ecosystem, biotic things interact with each other, and also interact with abiotic things. Here are some examples of interactions that connect the parts of an ecosystem:
Match the following statements with the photos above: 1. Pollination allows seed production; 2. water is critical to plants and animals; 3. some organisms live on top of others; 4. fires affect many ecosystems; 5. many animals eat each other.