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biology ch 5-6 test

TermDefinition
What is CFC, the stuff that thins the ozone layer? Chloroflorocarbons
What are limited factors? All the things that prevent exponential growth from happening forever
What is biomagnification? When moving up a food chain, energy availability goes down but contaminant levels such as DDT can go up due to this process
What is the X axis of a population growth graph? Time
What is masting Part of an oak trees life history that is not typically for slow life history pattern species
What is the type of limiting factor that light availability would be considered for a plant? Density dependent
What's the land biome known for its high biodiversity? tropical rainforest
What is carrying capacity? the most individuals of a species an ecosystem can support
What is slow life? The life history pattern that favors stable environments
What kind of limiting factor are predators? density dependent
What characteristic of an ecosystem increases high biodiversity? stability
What are examples of invasive species? mute swan, zebra mussel, purple loosetrife, asian shore crab
Climate conditions are typically what type of limiting factor? density independent
What is the geographic range? the total area on earth that is inhabited by a particular species
What is the effect of human disturbance? decreased biodiversity
What is the life history pattern best suited to ecosystem disturbances? R selected/rapid growth species
What type of growth occurs in unrestrained populations? exponential growth
What is one threat to habitat degradation? pollution
What is the life history of elephants? K selected/slow growth species
Pros and cons of clump range distribution offers better protection from predators, but can lead to overtaxing of resources if the population does not move locations
Species diversity (⅓ kinds of diversity, others are genetic and ecosystem) The number of species in an area (specific)
What is the life history of bacteria? R growth/rapid growth species
What is the single biggest threat to biodiversity? habitat loss , (result=extinction)
What extinct species was reintroduced in RI in the 1970s? Turkeys
 

 



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