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Environmental Science Review Sheet
Test ***now Thursday April 2, 2015
Chapters 4 and 5 and classwork
Objectives:
Chapter 4
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Describe the different levels of organization studied by ecologists.
Explain the difference between biotic and abiotic factors.
Discuss how an organism’s habitat relates to its survival.
Explain the usefulness of tracking population size.
Define population density.
Describe the three ways populations can be distributed.
Explain what age structure diagrams tell you about a population.
Chapter 5
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Describe the four primary mechanisms of biological evolution
Describe how speciation and extinction affect the diversity of life on Earth.
Discuss the factors that influence an organism’s niche.
Compare and contrast predation, parasitism, and herbivory.
Describe mutualism and commensalism.
Explain the difference between a producer and a consumer.
Some types of problems:
 Describe one of our classroom activities related to these chapters and what the purpose of the activity
was (counting yeast , random sampling, beak activity, mark and recapture virtual lab, etc. )
 Compare and contrast.
 Give examples.
 Interpret graphs/diagrams.
 Making graphs
Terms:
Ecology
species
population
community
ecosystem
biotic factor abiotic factor
Habitat
resource
population distribution
age structure diagram
sex ratio
migration
exponential growth evolution
mutation
genetic drift
natural selection
survival of the fittest speciation
extinction
biomass
tolerance
parasitism
predation
herbivory
mutualism
commensalism
primary producer
autotroph
heterotroph consumer
photosynthesis
chemosynthesis
herbivore
carnivore
omnivore
detritvore
decomposer trophic level pioneer species
Notes:
Study from your textbook, notes, homework, quizzes, worksheets, classwork, activities, etc!
Extra Help: Before school from 7:10am, lunch by appointment and until 3:30pm on Wednesdays