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Student Expectations
Unit 2 Ecology
12A
12C
11C
12E
12B
12D
11B
12F
11D
Interpret relationships (predation, parasitism, commensalism, mutualism, and competition) among
organisms
 Symbiotic relationships – parasitism, commensalism, mutualism
 Community interactions – predation and competition
Analyze the flow of matter and energy through trophic levels using various models (food chains, food
webs, and ecological pyramids
 Trophic levels
 Autotrophs (producers), heterotrophs (consumers)
 Primary, secondary, and tertiary consumers
 Herbivores, carnivores, omnivores, decomposers, detritivores
 Calculate the amount of biomass at each trophic level using the 10% rule
 Solar energy drives ecosystems
 Biological magnification
Summarize the role of microorganisms in both maintaining and disrupting the health of both organisms
and ecosystems.
 Diseases in plants and animals
 Decaying process in an ecosystem
 Cycling of nutrients/elements
Describe the flow of matter through the carbon and nitrogen cycles and explain the consequences of
disrupting these cycles (ex. deforestation, grassland conversion)
Compare variations and adaptations of organisms in different ecosystems
 Physiological, anatomical, and behavioral adaptations
 Biomes
 Abiotic/biotic factors
Recognize that long-term survival of species is dependent on changing resource bases that are limited
 Limiting factors
 Density dependent and independent factors
 Carrying capacity
 Growth/population graphing
Investigate and analyze how organisms, populations, and communities respond to external factors
(climate, light, water, temperature, food, abundance of resources, lack or resources)
Describe how environmental change can impact ecosystem stability in examples like:
 Greenhouse effect/global warming
 Pollution/biomagnifications
 Acid precipitation
 Rainforest deforestation
Describe how events and processes that occur during ecological succession can change populations
and species diversity
 Describe the events and processes occurring in succession
 Describe primary and secondary succession
 Describe the effect of random events and disturbances on species diversification
12A
12C
Relationships
Chains, Webs,
Pyramids
11C/12E
12B/12D
11B
12F
11D
Cycles
Adaptations/
Resources
Response to
External Factors
Ecosystem
Stability
Succession
Unit Test
6 Wks Exam
* SE’s that are bolded are readiness standards. These will be emphasized on the STAAR biology end of course exam.
Student Expectations
Unit 3 Biochemistry
9A
9C
9D
Compare the structure (shape) and function (what it does) of different biomolecules in including
carbohydrates, lipids, proteins, and nucleic acids
 Organic vs. inorganic molecules
 Formation/breakdown of macromolecules: dehydration synthesis/hydrolysis
 For each biomolecules list: atoms present, examples of monomers and polymers, and all
functions
 Chemical structure of the biomolecule and how the structure relates to its function
 Properties of water
Identify the role of enzymes
 Predict how enzymes affect the rate of reaction
 Illustrate the effect of temperature, pH, and substrate concentration on enzymes using graphs
Describe the evidence regarding the formation of key macromolecules (biomolecules) essential to life.
 Formation of prebiotic organic molecules
 Miller-Urey experiment
9A
9C
9D
Biomolecules
Enzymes
Form Polymers/
Miller & Urey
Unit Test
6 Wks Exam
* SE’s that are bolded are readiness standards. These will be emphasized on the STAAR biology end of course exam.