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Transcript
NAME ___________________________
WHAT SHOULD I KNOW ABOUT BIOSPHERE And Populations?
(Chapter 3 & 4-2 & 5)
What is ecology?
Be able to define:
species;
population;
community;
ecosystem;
biome;
biosphere;
Tell how these are related.
How is a habitat different from a niche;
What are biotic and abiotic factors?
What is the Competitive Exclusion Principle?
How is the movement of matter and energy through an ecosystem different?
What are autotrophs? Give examples.
What are heterotrophs? Give examples.
What are two ways autotrophs make energy
Photosynthesis:
Chemosynthesis:
How are these different?
What is a resource?
A food chain?
A food web?
How are food chains and food webs related?
How do the following get their energy? Be able to give examples of each of these.
herbivore,
carnivore,
omnivore,
detritivore,
decomposer
What is a trophic level?
What percentage of energy is passed on from one trophic level to the next?
Be able to identify: autotrophs (producers) and heterotrophs (consumers) in a food web and tell what
effect changes in a population will have on other populations.
What is a biogeochemical cycle?
Be able to answer ?’s about the 4 cycles you learned about.
(water, carbon, nitrogen, phosphorus)
How do these atoms enter and leave the atmosphere, land, water, and cycle through the ecosystem?
In which cycle does the atmosphere NOT play a role?
Which biomolecules are important to living things and which cycles provide the atoms to build these?
What is transpiration?
Nitrogen fixation?
Denitrification?
Evaporation?
Condensation?
Precipitation?
Which organisms play a role in these processes?
What are the ways organisms interact in an ecosystem? Be able to identify examples of each
What is Competition? What are some things organisms must compete for?
How do organisms cooperate?
Predation? Predator? Prey?
What are the 3 kinds of symbiosis?
What is a limiting factor?
How does it affect a population?
An algal bloom?
What happens when an over abundance of a limiting factor becomes available?
What is ecological succession?
When can primary succession begin?
What are differences between primary and secondary succession?
What are some factors that play a role in the growth of populations?
What is immigration?
What is emigration?
How do populations grow? (What must happen?)
What is exponential growth?
What is the carrying capacity?
What is a density dependent limiting factor?
What is a density independent limiting factor?
What is demography?