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Quantitative Characters - Population Density
Density denotes the average number of individuals of a particular species in a unit area. In other words, it represents the numerical strength of a species in a community. A study of density makes it possible to have accurate and direct comparisons of the abundance of species between different areas. Density also gives an idea of the degree of competition between the members of the same species as well as of one species with the other. It is calculated as follows:
Density = Total number of individuals of a species in all the sampling units / Total number of sampling units studied
The value thus obtained is expressed as number of individuals per unit area.
Distribution of Stomata There are two parameters normally used for expressing the distribution of stomata. Stomatal frequency: The number of stomata per unit area
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what are the scopes of zoology
1. You are observing adsorption of a virus to the host cell, it uses long leg-like structures, what are they called?
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