SNES 1101 Chapter Notes - Chapter 3: Lightning, Nitrification, Transpiration

• School: Cornell University
• Department: Science of Natural & Environmental Systems
• Course: SNES 1101
• Professor: madsen

Document Summary

Surrounded by a membrane and has a distinct nucleus and organelles. Surrounded by a membrane, but no nucleus or internal parts. The study of how organisms interact with their living. A group of individuals that lives in the same place at the same time. All the populations of different species that live in a particular place. A community of different species interacting with one another. 17-50 km above sea level (contains ozone, o3) Consists of all the water on or near earth"s surface. Earth"s intensely hot core, mantle, and crust. One-way flow of high quality energy from the sun. Amount environment can change for animals in an ecosystem. Autotrophs; make their nutrients from the environment through photosynthesis. Making food through hydrogen sulfide (ocean floor) Heterotrophs; feed on other organisms for food. Break down nutrients into soil (fungi and bacteria) Feed on waste/dead organisms (scavengers like buzzards) Uses oxygen to convert glucose back into carbon dioxide and water.