Transcript Introduction to Ecology

Introduction to
Ecology
Science 10
Mrs. Purba
Paradigm
 Pronounced, “PAIR-A-DIME”
 The way we use concepts to build our
understanding.
 We usually use ideas that are “common”
to us, to explain extraordinary things.
Paradigm Shift
 Occurs when old paradigms are replaced
by new paradigms.
 When “old” ways of thinking are
replaced by “new” ways of thinking.
Examples of Paradigm
Shifts:
Ecological Paradigm
Shifts
 We believed that as
humans, we were
totally unrelated to
other animal life on
Earth
 We believed that we
were placed on this
Earth to “rule” and
use the “boundless”
resources…
 SUPERIORITY
COMPLEX
Two Types of Resources
1. Renewable Resources
2. Non-renewable Resources
Renewable Resources
 Resources that can be replaced as fast
or faster than they are being used.
Example:
Energy from the sun (solar power)
Non-renewable Resources
 Resources that cannot be replaced or are
being used much faster than they are
forming.
Example:
Coal, oil, natural gas (fossil fuel)
Sustainability
 The ability to meet the needs of the
present generation without compromising
the ability of future generations to meet
their needs.
Closed System
 An environment where substances
do not enter or leave.
Biosphere
 The “life zone” of
Earth, including the
lower part of the
atmosphere,
hydrosphere, and
upper part of the
Earth’s crust
(lithosphere)
Biodiversity
 Variety of living organisms that inhabit Earth
Habitat
 Place where an organism “lives”.
 We can have terrestrial (land) habitats and
aquatic (water) habitats.
Ecology
 The scientific study of the interaction of
organism and their environment.
Ecosystem
 A community of organisms and the
physical environment where they live.