Science Question Preview (ID: 32801)


Ch. 21 Populations And Communities. TEACHERS: click here for quick copy question ID numbers.

parts of the Earth and the atmosphere where there is life
a) population
b) biosphere
c) parasitism
d) commensalism

potential growth of a population in perfect conditions with no limiting factors
a) birthrate
b) migration
c) habitat
d) biotic potential

largest number of individuals of one species that an environment can support
a) carrying capacity
b) population density
c) commensalism
d) mutualism

struggle in a community for the same resources
a) endangered species
b) extinct species
c) competition
d) consumer

anything that restricts the size of a population
a) death rate
b) limiting factor
c) niche
d) predator

all the organisms of the same species that live in the same area at the same time
a) population
b) population density
c) habitat
d) symbiosis

size of a population compared to the amount of space available
a) exponential
b) population density
c) threatened species
d) carrying capacity

number of offspring produced over a given time period
a) biotic potential
b) estimate
c) birthrate
d) commensalism

number of individuals that die over a given time period
a) death rate
b) endangered species
c) threatened species
d) parasitism

population that is at risk of extinction
a) biosphere
b) limiting factor
c) mutualism
d) endangered species

to determine roughly the size, nature, or extent of something
a) limiting factor
b) exponential
c) estimate
d) niche

mathematical expression that contains a constant raised to a power
a) parasitism
b) exponential
c) carrying capacity
d) symbiosis

population that has died out
a) death rate
b) threatened species
c) limiting factor
d) extinct species

instinctive seasonal movement of population
a) migration
b) population density
c) commensalism
d) mutualism

population at risk but is not yet endangered
a) limiting factor
b) symbiosis
c) threatened species
d) habitat

symbiotic relationship that benefits one species but does not harm or benefit another
a) niche
b) competition
c) commensalism
d) mutualism

organism that gets energy by eating other organisms
a) consumer
b) predator
c) parasitism
d) extinct species

place within an ecosystem where an organism lives
a) niche
b) biosphere
c) population
d) habitat

symbiotic relationship in which both partners benefit
a) endangered species
b) mutualism
c) symbiosis
d) exponential

what a species does in its habitat to survive
a) competition
b) biotic potential
c) migration
d) niche

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