Question | Answer |
what is an example of population? | the bass in iowa |
the density of a population is? | Number of individuals per unit area |
what would most likely cause a large number of density independent deaths in a population? | disease |
what organisms have the highest reproductive potential? | preditors |
in which of the relationships is neither species harmed? | commensalism |
the number of wild horses per square kilometer in a prarie? | population density |
a female dogs niche would be | fleas |
an example of population | all maple trees in a forest |
difference between a parisite and a preditor | paristes depend on a host, preditors don't need a host |
what has the greatest effect on reproductive potential? | the organisms ability |
exponential growth? | they continue to grow faster. |
carrying capacity? | maximum population that the ecosystem can support indeffinately. |
niche | includes the species physical home and enviromental factors neccesary |
demography | study of populations |
age structure | the distribution of ages in a specific population at a certain time. |
survivorship | percentage of a group that are likely to survive to any given age |
fertility rate | number of babies born each year per 1000 womenin a population |
migration | movement of individuals between areas. |
life expectancy | average number of years a person is likely to live. |
demographic transition | a model that describes how these changes can occur |