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A group of organisms that are physically similar and can reproduce with each other to produce fertile offspring.
community
75/15= 5 so the population density is 5 crabs per square meter
carrying capacity
species
biotic factors
predation
limiting factors
sampling
If a population is very large or spread out, ecologists use the ____ method to estimate the population size.
community
75/15= 5 so the population density is 5 crabs per square meter
carrying capacity
species
biotic factors
predation
limiting factors
sampling
Students counted 75 sand crabs in a 5-meter by 3-meter section of a beach. What was the population density of sand crabs in that section?
community
75/15= 5 so the population density is 5 crabs per square meter
carrying capacity
species
biotic factors
predation
limiting factors
sampling
An interaction in which one organism kills and eats another organism.
community
75/15= 5 so the population density is 5 crabs per square meter
carrying capacity
species
biotic factors
predation
limiting factors
sampling
The living parts of an ecosystem.
community
75/15= 5 so the population density is 5 crabs per square meter
carrying capacity
species
biotic factors
predation
limiting factors
sampling
The largest population that an environment can support.
community
75/15= 5 so the population density is 5 crabs per square meter
carrying capacity
species
biotic factors
predation
limiting factors
sampling
All the different species living in an area form a ______.
community
75/15= 5 so the population density is 5 crabs per square meter
carrying capacity
species
biotic factors
predation
limiting factors
sampling
Environmental conditions that prevent populations from increasing.
community
75/15= 5 so the population density is 5 crabs per square meter
carrying capacity
species
biotic factors
predation
limiting factors
sampling
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