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Ecology is the study of how organisms interact with their living environment of other organisms and their nonliving environment of soil, water, other forms of matter, and energy mostly from the sun.In effect, it is a study of connections in nature.
生態學研究生物體是如何與其他生物和非生命環境的土壤，水，其他形式的問題互動，能源大部分來自太陽。實際上，這是一個連接性的學習。
To enhance their understanding of nature, scientists classify matter into levels of organization from atoms to the biosphere.Ecologists focus on organisms, populations, communities, ecosystems, and the biosphere.
進一步認識自然，科學家從原子生物圈分類問題納入各級組織。生態學家側重於有機體，種群，群落，生態系統和生物圈。