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© 2004 Plano ISD, Plano, TX
Questions
1) Define Ecology.
2) What is the difference between biotic and abiotic factors? Give some examples of both
3) Give some examples of ecosystems. How often can they change and why?
4) How do biotic factors interact with other biotic factors and the abiotic?
5) What are some of the major biomes in the world?
6) Draw an illustration of the levels of organization from a cell all the way up to a biome.
© 2004 Plano ISD, Plano, TX
the study of the relationships the study of the relationships between biotic and abiotic between biotic and abiotic
factors in environmentsfactors in environments
the study of the relationships the study of the relationships between biotic and abiotic between biotic and abiotic
factors in environmentsfactors in environments
ecoeco (G) root home, (G) root home, abodeabode
ecoeco (G) root home, (G) root home, abodeabode
ecoecoclimateclimateecoecoclimateclimateecoecosystesystemm
ecoecosystesystemm
ecoecotouristourismm
ecoecotouristourismm
log, -o, ylog, -o, y (G) suffix study (G) suffix study ofof
log, -o, ylog, -o, y (G) suffix study (G) suffix study ofof
zozoologyologyzozoologyologyepidemiepidemiologologyy
epidemiepidemiologologyy
climatclimatologyologyclimatclimatologyology
EcologyEcologyEcoEco
logylogy
© 2004 Plano ISD, Plano, TX
EcosystemEcosystem
includes all includes all abioticabiotic and and bioticbiotic factors factors in one particular environmentin one particular environment
includes all includes all abioticabiotic and and bioticbiotic factors factors in one particular environmentin one particular environment
Biotic Biotic FactorsFactorsBiotic Biotic
FactorsFactorsthe living parts the living parts of an ecosystemof an ecosystemthe living parts the living parts of an ecosystemof an ecosystem
Abiotic FactorsAbiotic FactorsAbiotic FactorsAbiotic Factors
the nonliving the nonliving parts of an parts of an ecosystemecosystem
the nonliving the nonliving parts of an parts of an ecosystemecosystem
© 2004 Plano ISD, Plano, TX
Biotic FactorsBiotic FactorsBioBio
bio(s), bio(t)bio(s), bio(t) (G) root (G) root lifelife
bio(s), bio(t)bio(s), bio(t) (G) root (G) root lifelife
include plants, animals, fungi, include plants, animals, fungi, microorganismsmicroorganisms
include plants, animals, fungi, include plants, animals, fungi, microorganismsmicroorganisms
biobiologylogybiobiostatisticsstatisticsbiobiographgraphyy
biobiotechnolotechnologygy
biobiospherespherebiobiomechanicsmechanicsbiotbioticicbiobiofeedbafeedbackck
© 2004 Plano ISD, Plano, TX
Abiotic FactorsAbiotic Factors
include air, water, soil, include air, water, soil, temperature, wind, source of temperature, wind, source of
energy (usually sun)energy (usually sun)
include air, water, soil, include air, water, soil, temperature, wind, source of temperature, wind, source of
energy (usually sun)energy (usually sun)
AA
a, ana, an (G) prefix not, without(G) prefix not, withouta, ana, an (G) prefix not, without(G) prefix not, without
aatoxictoxicaatoxictoxicaamoralmoralaamoralmoralaabioticbioticaabioticbioticaamusiamusiaaamusiamusia
© 2004 Plano ISD, Plano, TX
Examples of EcosystemsExamples of Ecosystems
Arizona DesertArizona DesertArizona DesertArizona DesertMountains in Mountains in ColoradoColorado
Mountains in Mountains in ColoradoColorado
Coral Reef in Coral Reef in BelizeBelize
Coral Reef in Coral Reef in BelizeBelize
© 2004 Plano ISD, Plano, TX
do not necessarily have clear do not necessarily have clear boundaries due to boundaries due to bioticbiotic and and abioticabiotic
changeschanges
do not necessarily have clear do not necessarily have clear boundaries due to boundaries due to bioticbiotic and and abioticabiotic
changeschanges
EcosystemsEcosystems
BioticBioticBioticBiotic AbioticAbioticAbioticAbiotic
migration, seed migration, seed dispersal dispersal
migration, seed migration, seed dispersal dispersal
flood, erosion, flood, erosion, droughtdrought
flood, erosion, flood, erosion, droughtdrought
can change daily as things move can change daily as things move from one ecosystem to anotherfrom one ecosystem to another
can change daily as things move can change daily as things move from one ecosystem to anotherfrom one ecosystem to another
© 2004 Plano ISD, Plano, TX
interact with interact with each other in each other in complex wayscomplex ways
interact with interact with each other in each other in complex wayscomplex ways
Biotic FactorsBiotic Factors
also interact also interact with abiotic with abiotic
factors in the factors in the ecosystemecosystem
also interact also interact with abiotic with abiotic
factors in the factors in the ecosystemecosystem
parasitism parasitism mutualism mutualism
competitioncompetition
parasitism parasitism mutualism mutualism
competitioncompetition
dependent upon dependent upon water, minerals, water, minerals,
temperature, temperature, lightlight
dependent upon dependent upon water, minerals, water, minerals,
temperature, temperature, lightlight
such assuch as
© 2004 Plano ISD, Plano, TX
a major regional or global a major regional or global biotic community, a biotic community, a super super
ecosystemecosystem, defined chiefly by , defined chiefly by the dominant forms of plant the dominant forms of plant
life and the prevailing climatelife and the prevailing climate
a major regional or global a major regional or global biotic community, a biotic community, a super super
ecosystemecosystem, defined chiefly by , defined chiefly by the dominant forms of plant the dominant forms of plant
life and the prevailing climatelife and the prevailing climate
BiomeBiome
© 2004 Plano ISD, Plano, TX
desertdesertdesertdesert
grasslandgrasslandgrasslandgrassland
tropical rain tropical rain forestforest
tropical rain tropical rain forestforest
deciduous forestdeciduous forestdeciduous forestdeciduous forest
coniferous coniferous forestforest
coniferous coniferous forestforesttundratundratundratundra
Major Biomes of the WorldMajor Biomes of the World
oceanoceanoceanocean
© 2004 Plano ISD, Plano, TX
Levels of OrganizationLevels of Organizationsmallest smallest unit of unit of living living thingsthings
smallest smallest unit of unit of living living thingsthings
group of group of similar cells similar cells organized organized to work to work togethertogether
group of group of similar cells similar cells organized organized to work to work togethertogether
group of group of different different kinds of kinds of tissues tissues working working togethertogether
group of group of different different kinds of kinds of tissues tissues working working togethertogether
group of group of organs organs working working togethertogether
group of group of organs organs working working togethertogether
one one individual individual
living thingliving thing
one one individual individual
living thingliving thing
all all organisms organisms
of the same of the same kind living kind living in one areain one area
all all organisms organisms
of the same of the same kind living kind living in one areain one area
all all interacting interacting populations populations
in an in an ecosystem ecosystem
all all interacting interacting populations populations
in an in an ecosystem ecosystem
all living all living and and
nonliving nonliving things things
interacting interacting within a within a
certain area certain area
all living all living and and
nonliving nonliving things things
interacting interacting within a within a
certain area certain area
large region large region with typical with typical plants and plants and
animals animals that that
includes includes several several
ecosystems ecosystems
large region large region with typical with typical plants and plants and
animals animals that that
includes includes several several
ecosystems ecosystems
cell
© 2004 Plano ISD, Plano, TX
Video
http://www.youtube.com/watch?v=izRvPaAWgyw
http://www.youtube.com/watch?v=hIy0ZlyPPDg
http://www.youtube.com/watch?v=v6ubvEJ3KGM
© 2004 Plano ISD, Plano, TX
12.1 Questions 1-5
Also complete your mini poster for the zebra mussels.
Must include information about the zebra mussel and how to prevent their movement from one area to another.
© 2004 Plano ISD, Plano, TX
Research Questions
1. Draw a diagram of an ecosystem near where you live . Label the factors “biotic” or “abiotic.”
2. Give two examples of how plants and animals affect their environment
3. Describe how temperature, light, and soil affect an ecosystem
4. Think of a forest ecosystem. Now imagine that a large amounts of dust and ash into the air, blocking out sunlight. How might the forest ecosystem be affected if the sunlight is blocked out for a day? For a year? (ANSWER MUST BE A PARAGRAPH)