# What is population size-?

In population genetics and population ecology, population size (usually denoted N) is the number of individual organisms in a population.

### What is relative population size?

Relative population size is the size of an area's population as it compares to similar areas' populations. For example, the relative population size of a country would be what rank it had compared to the population of other countries.

### What is the formula for expected number of deaths?

The sumation (each stratum of population) of risk * population size. For example: (risk*population size of group 1) + (risk*population size of group 2) + ... + (risk*population size of group n)

### What is the difference between Population Size and population Density?

Population size is the number of individuals in a population. Population density is the number of individuals in a population of a defined area.

### Which country is fourth in the world in population and in size?

In size, the USA. In population, Indonesia.

### What is the population size of predator species directly controlled by?

The population size of its prey.

### Population density determined by?

population size and per unit of area population size and per unit of area

### How does population size differ from population density?

Population density is population size divided by the area inhabited by the population. It is usually expressed as people per square kilometer.

### How many times larger is the US population than Canada?

Based on the July 2014 population estimates released by Statistics Canada and the U.S. Census Bureau, the size of the United States population is about 8.97 times the size of the Canadian population. The size of the population of California, the most populous U.S. state, is about 9.18% greater than the size of the population of Canada.

### What is the size population of killer whales today?

The population size is uncertain but the lowest estimate is 50,000.

### What will happen to population size if the birth rate is higher that the death rate?

population size will increase

### If the size of a sample equals to the size of the population?

Sample is subset of the population so sample size and population size is different. However, as a subset can be the whole set, if the sample size equals the population size, you have sampled the entire population and you will be 100% accurate with your results; it may cost much more than surveying a [representative] sample, but you get the satisfaction of knowing for what you surveyed the population exactly. Using a sample is a… Read More

### Explain the four factors that produce changes in population size?

Four factors that produce changes in population size would be disease, water, food and shelter. Disease can quickly decrease a population size.

### What are the smallest and largest states in terms of population?

California is the largest by population, and the third largest by size. Wyoming is the smallest by population, and the fortieth smallest by size.

### What is the number of individuals in a population called?

The number of individuals in the population is the population's size. If a population is small enough you will be able to determine the size by counting the individuals.

### What is the sample size for a population of 60010?

well a sample size can be any size depending on the requirements. A sample size could be 10 people of that entire population or it could be 1000 people.

### What are ecological Oscillations?

cycles in population size over time; repeating changes in population size over time

### Which is the smallest city of the world?

Smallest in population? If so, cities are regulated by size of population. If it is by size, Durbury, Belgium.

### What are two factors that can decrease the size of a population?

The two main factors that can decrease the size of a population are death and emigration.

### What is South Carolina's population and size?

The size of South Carolina is 32,020 sq miter. It's population is 4,679,230.

### Can low population results in low death rate?

The mortality rate depends on the size of the population, no matter what the size.

### Is Minnesota bigger or smaller than Illinois?

Minnesota is bigger than Illinois in size, and smaller in population. SIZE: Minnesota (#12 in size) is 86,943 square miles. Illinois (#25 in size) is 57,918 square miles. POPULATION: Illinois (#5 in population) has about 12,910,409 people. Minnesota (#21 in population) has about 5,266,214 people.

### What will happen to each higher population size if the first level population were to dramatically increase?

If the first level population dramatically increased, then the higher population size could either stay the same or increase. The higher population group would increase in size so that there will no be overpopulation of the first level group.

### How do interactions between organisms influence population size?

Predators can affect population size through increased or decreased predation events. Direct and indirect competition between members of the same species can limit population size.

### What is the size of population in Somalia?

The population for Somalia is ... 8,699,000, 9,133,000 and 9,118.773. that is the population

### What is used in experiments when population size is too large?

samples may be used when the population size is too large for the experiment.

### A change in a population that is not related strictly to the size of the population is best described as?

A change in a population that is not related strictly to the size of the population is best described as? Read more: http://wiki.answers.com/Q/A_change_in_a_population_that_is_not_related_strictly_to_the_size_of_the_population_is_best_described_as#ixzz2SQnapqrD

### How the lynx population size changes when the hare population increases?

The lynx population size changes when the hare population increases by expanding to keep up with the available food supply. If the hare population decrease, the lynx population will end up decreasing as well.

### Demographic studies of population must take into consideration?

population size, population density, and population dispersion

### Which of these is the best definition of population size?

the number of individuals in a population

### What are the three important characteristics of populations?

population size population density population spacing

### What is the population of milk is in the bowl?

Population decrease in bowl by every 3 second millimeter. Size bowl important to population loss. Population decrease in bowl by every 3 second millimeter. Size bowl important to population loss.

### What US city is about the same size as Florence?

Florence, Italy is about the size of Cleveland, Ohio based on population. Florence has a population of approximately 383,000. Cleveland has a population of approximately 388,000.

### On a graph of population growth the size of the population when the growth rate decreases to zero represents an area's?

On a graph of population growth the size of the population when the growth rate decreases to zero represents an area's carrying capacity.

### Explain how then lynx population size changes when the hare population increases?

Because lynx are predators of hares, if the hare population size increases, so will the lynx population because now there is more food available.

### What may occur when a population drops below its minimum viable population size?

genetic drift, a further reduction in population size, inbreeding and a loss of genetic variability. it is an extinction vortex that the population may enter

### What is the study of influence changes in a population's size?

population dynamics- Population dynamics is the study of the factors that influence these changes in a population's size

### A population can change size for many reasons which can impact the size of a population?

A. Birth rate B. Immigration C. Death rate

### What does population size means?

Statistics often requires one to make estimates of some measure (variable) about a set of units. The total number of such units is the population size. Note that population, in this context, need not refer to people. If the study is about household expenditure on food (in some area), then the population is all households and the population size is the number of households (in that area). If the study is about diversity of insects… Read More