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what are four methods of determining populations size?
Wiki User
∙ 14y ago
Wiki User
∙ 13y agoDirect observation, indirect observation, sampling, mark-and-recapture studies
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Why are populations in nature called dynamic?
Populations in nature are called "dynamic" because the amount of population fluctuates depending on the four factors that affect population size (Density dependent and independent factors, natural disasters, and competition [predation, parasitism and disease]).
The size of plant populations can be influenced by the?
type of minerals present in the soil.
When determining population size using direct observation every individual in a population is counted?
true
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 characteristics of populations do demographers study?
Demographers study human population size, density and distribution, movemenet, and its birth and death rates
What four things vary the size of biological populations?
food, Water air and shelter
What is educational attainment?
In addition to correctly determining the size of the Earth and finding correct methods for determining the size of the Moon and the distance to the Moon and Sun, he was the head of the largest library in the western world (Alexandria in northern Egypt) and must have had many students.
What is Eratosthenes educational attainment?
In addition to correctly determining the size of the Earth and finding correct methods for determining the size of the Moon and the distance to the Moon and Sun, he was the head of the largest library in the western world (Alexandria in northern Egypt) and must have had many students.
What is HV in metallurgy?
It is most likely to refer to Hardness Vickers, a method amongst 4 main methods for determining the surface hardness of a material. The four main methods are Vickers, Brinell, Shore and Rockwell that are differentiated by a number of factors including the size, and shape of the penetrator used, the load applied to the penetrator and the reading method. The different methods also often have different sub-scales.
What natural factors can change a population?
parasites predation weather and clement are four ways natural factors can change a populations size.
What determines a populations size?
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What controls the size of the populations?
الكالسيوم
Which study is best for determining size of the heart?
A chest x-ray is the most commonly used study for determining the size of the heart.
How can populations change in size?
the populations can change in size because there could be more of the offspring.
Scientists use many methods to determine the size of a population Which method is best for extremely large populations?
Actually census' are the most accurate estimation (including the estimation of homeless, illegals, etc.)
What is happening to the size of populations?
to much sex
Which factors affect a populations growth regardless of the populations size?
density - dependent limited factors
