© 2004 plano isd, plano, tx introducing ecology. © 2004 plano isd, plano, tx today: you will...
TRANSCRIPT
© 2004 Plano ISD, Plano, TX
Today:
• You will explore the diverse relationships within an ecosystem.
• You will observe and analyze various ecosystems and identify living and nonliving components.
© 2004 Plano ISD, Plano, TX
the study of the relationships between biotic and abiotic
factors in environments
the study of the relationships between biotic and abiotic
factors in environments
eco (G) root home, abode
eco (G) root home, abode
ecoclimateecoclimateecosystem
ecosystem
log, -o, y (G) suffix study of
log, -o, y (G) suffix study of
zoologyzoologyepidemiology
epidemiology
climatologyclimatology
EcologyEcologyEcoEco
logy?logy?
What is
© 2004 Plano ISD, Plano, TX
What is an Ecosystem?What is an Ecosystem?
all the abiotic and biotic factors in one particular environment and the
interactions between them
all the abiotic and biotic factors in one particular environment and the
interactions between them
Biotic FactorsBiotic
Factorsthe living parts of an ecosystemthe living parts of an ecosystem
Abiotic FactorsAbiotic Factors
the nonliving parts of an ecosystem
the nonliving parts of an ecosystem
© 2004 Plano ISD, Plano, TX
Biotic FactorsBiotic FactorsBioBio
bio(s), bio(t) (G) root life
bio(s), bio(t) (G) root life
include plants, animals, fungi, microorganisms, anything
living
include plants, animals, fungi, microorganisms, anything
living
biologybiostatisticsbiography
biotechnology
biospherebiotic
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Examples of Biotic FactorsExamples of
Biotic Factors
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Abiotic FactorsAbiotic Factors
include air, water, soil, temperature, wind, source of
energy (usually sun)
include air, water, soil, temperature, wind, source of
energy (usually sun)
AA
a, an (G) prefix not, withouta, an (G) prefix not, without
atoxicatoxicamoralamoralabioticabiotic
© 2004 Plano ISD, Plano, TX
Examples of Abiotic Factors
Examples of Abiotic Factors
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Examples of EcosystemsExamples of Ecosystems
Arizona DesertArizona DesertMountains in Colorado
Mountains in Colorado
Coral Reef in Belize
Coral Reef in Belize
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do not necessarily have clear boundaries due to biotic and abiotic
changes
do not necessarily have clear boundaries due to biotic and abiotic
changes
EcosystemsEcosystems
BioticBiotic AbioticAbiotic
migration, seed dispersal
migration, seed dispersal
flood, erosion, drought
flood, erosion, drought
can change daily as things move from one ecosystem to another
can change daily as things move from one ecosystem to another
© 2004 Plano ISD, Plano, TX
interact with each other in complex ways
interact with each other in complex ways
Biotic Interaction FactorsBiotic Interaction Factors
also interact with abiotic
factors in the ecosystem
also interact with abiotic
factors in the ecosystem
parasitism mutualism
competition
parasitism mutualism
competition
dependent upon water, minerals,
temperature, light
dependent upon water, minerals,
temperature, light
such assuch as
© 2004 Plano ISD, Plano, TX
© 2004 Plano ISD, Plano, TX
a major regional or global biotic community, a super
ecosystem, defined chiefly by the dominant forms of plant
life and the prevailing climate
a major regional or global biotic community, a super
ecosystem, defined chiefly by the dominant forms of plant
life and the prevailing climate
What is a Biome?What is a Biome?
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desertdesert
grasslandgrassland
tropical rain forest
tropical rain forest
deciduous forestdeciduous forest
coniferous forest
coniferous foresttundratundra
Major Biomes of the WorldMajor Biomes of the World
oceanocean
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Levels of OrganizationLevels of Organizationsmallest unit of living things
smallest unit of living things
group of similar cells organized to work together
group of similar cells organized to work together
group of different kinds of tissues working together
group of different kinds of tissues working together
group of organs working together
group of organs working together
one individual
living thing
one individual
living thing
all organisms
of the same kind living in one area
all organisms
of the same kind living in one area
all interacting populations
in an ecosystem
all interacting populations
in an ecosystem
all living and
nonliving things
interacting within a
certain area
all living and
nonliving things
interacting within a
certain area
large region with typical plants and
animals that
includes several
ecosystems
large region with typical plants and
animals that
includes several
ecosystems
cell
© 2004 Plano ISD, Plano, TX
ECOSYSTEM CLIP
BIOMES CLIP
© 2004 Plano ISD, Plano, TX
McLaren, James E, and Rotundo, Lisa (1985). Heath Biology. D. C. Heath and Company.
McLaren, James E, and Rotundo, Lisa (1985). Heath Biology. D. C. Heath and Company.
The American Heritage Dictionary of the English Language, Third Edition.
(1992). Houghton Mifflin Company.
The American Heritage Dictionary of the English Language, Third Edition.
(1992). Houghton Mifflin Company.
Arms. (1996). Environmental Science. Orlando,Florida: Holt, Rinehart and Winston, Inc.
Arms. (1996). Environmental Science. Orlando,Florida: Holt, Rinehart and Winston, Inc.
Bibliography