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Sampling - counting the number of organisms in a small area and multiplying to estimate the number in a larger area
Mark & Recapture - capture an organism & release it to remix with population. Then recapture some more in that area to determine population size. Formula is as follows: R (marked recaptures) / C (total in second sample) = M (marked initially) / N (total pop. size)
Indirect Observation - estimating the population size by tracks, nest or other animal signs in an ecosystem.
Direct Observation - count all members of a population in an ecosystem
What else can I help you with?
What are two way to leave the population?
Two ways to leave a population are through emigration, where individuals move out of the population to live elsewhere, and through death, which reduces the population size by the loss of individuals.
How is a populations size related to its well being?
Population size is related to its well being in that if it is overpopulated there may not be enough food, jobs or other resources for everyone and everyone will not be well.
What are Two way a population can experience positive growth?
A population can experience positive growth through increased birth rates or decreased death rates. Both factors contribute to a higher population size over time.
What is population mobility?
Population mobility refers to the movement of individuals or groups of people from one place to another. This movement can be temporary or permanent and can be due to various reasons such as job opportunities, education, or lifestyle choices. Population mobility can have social, economic, and cultural impacts on both the origin and destination areas.
What is the theory that examines the ways in which the composition of a city's population influences life in the city?
Compositional theory is the theory that examines the ways in which the composition of a city's population influences life in the city. Compositional theory also focuses on the differences between urban and rural areas.
What natural factors can change a population?
parasites predation weather and clement are four ways natural factors can change a populations size.
What are 2 ways that the size of a population can decrease?
By Genocide, and by war..
What are some ways that population size is limited within an ecosystem?
competition
What are ways that can be used to determina a population size?
you can just go and count all of them stupid!
How can population decrease in size?
There are many different ways, such as dying out or being alone with no mate.
What term describes a limiting factor that affects all population in similar ways regardless of population size?
I realized that fapping is the best.
What are four ways forces can behave?
force's can change the speed, shape, size and direction of an object.
What are the two main ways a population can decrease in size?
A) Another Genocide (The Holocaust) B) A really big Asteroid
What are some ways to find out a population size?
One way is what is called a "Mark-Recapture" a study on how large the population is.Please see related link below!
What are two way to leave the population?
Two ways to leave a population are through emigration, where individuals move out of the population to live elsewhere, and through death, which reduces the population size by the loss of individuals.
Identify the ways of determining functions and mere relation?
ewan
How increasing population can be utilized for Economic development?
The ways in which population densities fluctuate-increasing, decreasing, or both over time-is the subject of population dynamics. Population density measures the number of individuals per unit area, for example, the number of deer per square kilometer. Although this is straightforward in theory, determining population densities for many species can be challenging in practice.
