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What conditions could change the density of any of the population?
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How could disease be a density factor in population?
by affecting the mortality rate
How might migration affect population density?
Migration can affect population distribution by causing the population of one area to increase while simultaneously decreasing the population of another. This can also cause one area to be more densely populated than another.
Which is a disadvantage of asexual reproduction?
Lack of genetic diversity which may result in destruction of an entire population if there is a change in climatic or environmental conditions; the population does not have a gene pool that may provide some resistant members which could survive
What could you do to an object to change its density?
Adding heat to the object if the object is a solid.
What is it called when a organism leaves a population?
They could leave because there is not enough food or water. Or there could not be enough space or the weather conditions could be wrong. When their homeland or where they're living is destroyed
What is population density dependent and density independent?
A population is "density-dependent" when it is affected by its size. An example might be population growth: as a population gets large, it might grow slower since there are less resources to use up or diseases become prevalent. The growth rate depends on the population size (also called population density). A population is "density-independent" when the current size doesn't change anything. For example bacteria populations are largely density-independent when they are small. For example they roughly double in size every few minutes. Whether you start with one single bacterium or a colony of 100, the total count will double every few minutes. This is exponential growth. Only after the bacteria colony gets extremely large (millions or billions of individual cells) will the density begin to affect the colonies growth rate, at which point its population growth is then density-dependent. Another example of a density-independent process might be radioactive decay. No matter how much of the radioactive matter is left at any point in time, half of it will be left after one half-life length of time into the future. It does not matter how the material is arranged, it could be one big clump of material (densely packed together), or it could be smashed into many bits separated far away from each other.
What is population density dependent and density independent'?
A population is "density-dependent" when it is affected by its size. An example might be population growth: as a population gets large, it might grow slower since there are less resources to use up or diseases become prevalent. The growth rate depends on the population size (also called population density). A population is "density-independent" when the current size doesn't change anything. For example bacteria populations are largely density-independent when they are small. For example they roughly double in size every few minutes. Whether you start with one single bacterium or a colony of 100, the total count will double every few minutes. This is exponential growth. Only after the bacteria colony gets extremely large (millions or billions of individual cells) will the density begin to affect the colonies growth rate, at which point its population growth is then density-dependent. Another example of a density-independent process might be radioactive decay. No matter how much of the radioactive matter is left at any point in time, half of it will be left after one half-life length of time into the future. It does not matter how the material is arranged, it could be one big clump of material (densely packed together), or it could be smashed into many bits separated far away from each other.
Why settlEment change?
they change because people could want a better lifestyle or to increase the population.
What environmental factor could change a shrews population?
More predators so the population would decrease :(
What is the density of milk?
The density of milk depends on fat content and its type. The density varies from 1.032kg/L (whole milk) to 1.035kg/L (skim milk). This can go as low as 1.026kg/L under certain conditions, but a low density could also indicate added water.
Is low population density an inducation of urban sprawl?
Not necessarily. While low population density is often associated with sprawl, it could come in the form of a rural landscape or highrise residential surrounded by parks, similar to private garden developments or 'projects.'
What is density dependant and density independent?
A population is "density-dependent" when it is affected by its size. An example might be population growth: as a population gets large, it might grow slower since there are less resources to use up or diseases become prevalent. The growth rate depends on the population size (also called population density). A population is "density-independent" when the current size doesn't change anything. For example bacteria populations are largely density-independent when they are small. For example they roughly double in size every few minutes. Whether you start with one single bacterium or a colony of 100, the total count will double every few minutes. This is exponential growth. Only after the bacteria colony gets extremely large (millions or billions of individual cells) will the density begin to affect the colonies growth rate, at which point its population growth is then density-dependent. Another example of a density-independent process might be radioactive decay. No matter how much of the radioactive matter is left at any point in time, half of it will be left after one half-life length of time into the future. It does not matter how the material is arranged, it could be one big clump of material (densely packed together), or it could be smashed into many bits separated far away from each other.
