Quantitative characters - population density, Biology

Assignment Help:

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.

  • Crude density - is the density of individuals of a species throughout the habitat and is determined by random sampling.
  • Ecological density - refers to the density of individuals of a species.

Related Discussions:- Quantitative characters - population density

Possible recombinant genotypes, A woman is heterozygous for three X-linked ...

A woman is heterozygous for three X-linked loci: AaBbDd. She has seven sons with the following genotypes: two are X ABd Y three are X abD Y one is X ABD Y one is X Abd

Determine the representation of the nucleus, Determine the representation o...

Determine the representation of the Nucleus In all eukaryotic cells, the nucleus represents the most prominent and conspicuous organelle of the cell, and is generally seen as a

Checkpoints and cell cycle control, Checkpoints and Cell Cycle Control ...

Checkpoints and Cell Cycle Control Cell cycle checkpoints are control mechanisms which ensure the fidelity of cell division within eukaryotic cells. These checkpoints confirm w

Define human beings need energy for basal metabolism, Define human beings n...

Define human beings need energy For Basal metabolism? This comprises a series of functions that are essential for life, such as cell function and replacement; the synthesis, se

Cell culture products, Cell culture products: Animal cell cultures ar...

Cell culture products: Animal cell cultures are used to generate virus vaccines, as well as different kind  of useful biochemical which are mainly high molecular weight prote

What er the parafunctional habits, What er the Parafunctional Habits P...

What er the Parafunctional Habits Parafunctional Habits like bruxism and clenching create mechanical and biological problems due to overloading and are considered to be one of

Illustrate the conductance of potassium channels, A decrease in parasympath...

A decrease in parasympathetic discharge to the heart leads to A. an increase in the conductance of F-channels in SA node cells. B. a decrease in the conductance of potassium

Structural features of viruses, Structural Features of Viruses Size of...

Structural Features of Viruses Size of Viruses Virus particles vary widely in size. The smallest viruses e.g. virus of foot and mouth disease  measuring about 20  mill mic

Define requirements of carbohydrates during surgery, Define Requirements of...

Define Requirements of Carbohydrates during Surgery? Carbohydrates: Carbohydrates are needed to build up glycogen stores and spare the proteins for tissue synthesis, Around GO%

What is peripheral vein feeding, What is Peripheral Vein Feeding Intrav...

What is Peripheral Vein Feeding Intravenous feeding is a method of  providing parenteral nutrition when a  patient cannot take in food or formula through the gastrointestinal

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd