This ecosystem ecology lecture explains about different types of ecosystems and their. Under ecology, we study various ecosystems which are a part of the biosphere. Introduction to ecology the word ecology is derived from greek words oikos meaning house, habitat or place of living and logos meaning to study. I also show the ecological crisis as well as environmental situation for e. Ecology is the study of how living things interact with each other and their environment. Individual population population interactions community ecosystem landscape.
The environment consists of both biotic components living organisms and. The word ecology is derived from greek words oikos meaning house, habitat or place of living and logos meaning to study. But anyway, the study of ecosystems, the study of biospheres, the study of ecology in general is incredibly, incredibly fascinating because when you have all of this complexity, each living thing is incredibly complex. In this persentation i give a short description about ecology and the history of it.
It is a selfsustaining, structural and functional unit. No living organism lives alone, they associate with each other and have the functional relationship with external factors. Organism are typically dependent on each other and their habitat for survival. In the subject of ecology, the term ecosystem refers to the environment of life. Introduction to ecology the meaning of the word ecology was given by german biologist hackle in 1869. Secondary productivitie s t he rates of ene rgy storage at consumer levels are referred to as secondary. In fact if you want, you could even sometimes consider part of a living thing as an. This ecosystem ecology lecture explains about different types of ecosystems and their properties. Ppt grade 9 ecosystems powerpoint presentation free. I also show the ecological crisis as well as environmental situation for ethical and social awareness.
Generally, an ebook can be downloaded in five minutes or less. The study of how ecological factors cause changes in an organism throughout its history is evolutionary ecology. This includes living things biotic factors and nonliving things abiotic factors. Ecology and ecosystems ecology is the scientific study of relations that living organisms have with respect to each other and their natural environment. It is understood that the structural and functional systems of communities and their environment is called an ecology and ecosystem. Ecology is the study of the interactions between an organism and its environment. Ecosystem ppt powerpoint presentation pdf download. Grade 9 ecosystems 1 ecosystems 2 what is an ecosystem. Tansleys concept of the ecosystem was adopted by the energetic and influential biology. Working scholars bringing tuitionfree college to the community. The environment, levels of ecology and ecosystems 6.
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