INTRODUCTION
The biosphere is a global ecosystem.
It includes the entire portion of the earth inhabited by life. In a boarder sense.
Biospheres are any closed, self- regulating systems. The term “biosphere” was
coined by geologist Eduard Suess in 1875. He defined biosphere as the place on
earth’s surface where life dwells.
The biosphere’s ecological context came
from 1920, preceding the 1935 introduction of the term “ecosystems” by sir Arthur Tansley. Valdimir I. Vernadsky defined ecology as the science of
the biosphere. It is an interdisciplinary concept for integrating astronomy,
geophysics, meteorology, bio geography, evolution, geology, geochemistry,
hydrology and all life and earth sciences. The biosphere is a core concept with
biology and ecology. Ecology provides a scientific context for evaluation environmental
issues. To address environmental issues. To address environmental problems, we
need to understand the interaction of organisms and their environments. The
science of ecology provides that understanding. It is important to communicate
the scientific complexity of environmental issues.
Ecology
Ecology is the scientific study
of the rich and varied interactions between organisms and their abiotic
environment. In ecological studies, the environment encompasses both abiotic (such as water, mineral
nutrients, light, temperature) and biotic factors (living organism).
Interactions between organisms and their environment is a two way process in
which organisms influence and are influenced by their environment. There are many reasons to care about ecology.
Our lives are enriched by the fascinating interactions between the organisms.
Watching a butterfly visiting a flower and bringing about pollination is worth
seeing. Beyond simple curiosity, information from ecological sciences is needed
to solve many practical problems. An understanding of ecology allows us to grow
food, control pests and diseases and deal with natural disasters such as flood,
drought and earthquake.
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