© 2004 Plano ISD, Plano, TX
Warm Up1. What non living things do you depend on for survival?2. What living things do you depend on for survival?3. Look at the picture here on the overhead What organisms are living? What organisms are not living? Create a long list!
© 2004 Plano ISD, Plano, TX
• Essential Question: What are the parts that make up an ecosystem?
• Objective: You will be able analyze an aquatic ecosystem in order to identify abiotic and biotic relationships effect the health of an ecosystem.
© 2004 Plano ISD, Plano, TX
“Ecology Notes-Populations & Communities”
Set up to take Cornell Notes.
“Ecology Notes-Populations & Communities”
Set up to take Cornell Notes.
Key ?’s you have to memorize for
quizzes/tests etc.
The new information.
The grade for your notes. Your ability to summarize the new
information!
© 2004 Plano ISD, Plano, TX
What is an ecosystem?What is an ecosystem?
An ecosystem includes all An ecosystem includes all abioticabiotic and and bioticbiotic factors in one particular factors in one particular
environmentenvironment
An ecosystem includes all An ecosystem includes all abioticabiotic and and bioticbiotic factors in one particular factors in one particular
environmentenvironment
© 2004 Plano ISD, Plano, TX
An environment that provides An environment that provides what an organism needs to what an organism needs to live, grow, and reproduce.live, grow, and reproduce.
An environment that provides An environment that provides what an organism needs to what an organism needs to live, grow, and reproduce.live, grow, and reproduce.
One area may contain many One area may contain many different organisms.different organisms.
One area may contain many One area may contain many different organisms.different organisms.
Organisms live in different Organisms live in different habitats b/c they have habitats b/c they have
different requirements for different requirements for survival.survival.
Organisms live in different Organisms live in different habitats b/c they have habitats b/c they have
different requirements for different requirements for survival.survival.
What is a habitat?What is a habitat?
© 2004 Plano ISD, Plano, TX
Why do the following live in different habitats? What are their
needs?1. Shark vs. bear
2. Whale vs. crabs
3. Algae vs. sunflowers
© 2004 Plano ISD, Plano, TX
What are Biotic Factors?What are Biotic Factors?BioBio
biobio root root = = lifelifebiobio root root = = lifelife
Biotic factors are LVIVING! Biotic factors are LVIVING! This includes plants, animals, This includes plants, animals,
fungi, microorganisms.fungi, microorganisms.
Biotic factors are LVIVING! Biotic factors are LVIVING! This includes plants, animals, This includes plants, animals,
fungi, microorganisms.fungi, microorganisms.
© 2004 Plano ISD, Plano, TX
What are Abiotic Factors?What are Abiotic Factors?
Abiotic factors are NOT LIVING. Abiotic factors are NOT LIVING. This includes air, water, soil, This includes air, water, soil, temperature, wind, source of temperature, wind, source of
energy (usually sun)energy (usually sun)
Abiotic factors are NOT LIVING. Abiotic factors are NOT LIVING. This includes air, water, soil, This includes air, water, soil, temperature, wind, source of temperature, wind, source of
energy (usually sun)energy (usually sun)
AA
aa prefix not, withoutprefix not, withoutaa prefix not, withoutprefix not, without
© 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, plants, animals, & animals, &
climate; climate; includes includes
many many ecosystems ecosystems
large region large region with typical with typical
plants, plants, animals, & animals, &
climate; climate; includes includes
many many ecosystems ecosystems
cell
© 2004 Plano ISD, Plano, TX
RECAP: EcosystemRECAP: Ecosystem
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
Examples of EcosystemsExamples of Ecosystems
Mountains in Mountains in ColoradoColorado
Mountains in Mountains in ColoradoColorado
Coral Reef in Coral Reef in BelizeBelize
Coral Reef in Coral Reef in BelizeBelize
Notes Summary:Use this picture in order to explain how
abiotic and biotic factors build an ecosystem.
This will become a permanent part of your notes.
© 2004 Plano ISD, Plano, TX
Exit Quiz-Old HSA Questions
• 8 questions.
• Write the key word. Write your best answer. Be sure to use your notes.
© 2004 Plano ISD, Plano, TX
One last thing about EcosystemsOne last thing about Ecosystems
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
Extra Extension activity:
• You are a scientist who is studying various ecosystems.
• As part of your research, you need to identify as many BIOTIC and ABIOTIC factors as possible.
• Using the magazines provided, glue, scissors, and construction paper, make a collage of at least 5 abiotic and 5 biotic factors.