Explain the factors affecting the population?
admin There are multiple factors which affect the size and density of the population. It includes natality, mortality, emigration and immigration. The natality is defined as the rate at which new…
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Write a short note on human population?
The human population is more than 5 billion. It is the most abundant species which has a great competition from the insects and fishes. The human beings are adapted to…
Explain the factors affecting the human population?
There are many factors which affect the human population. These include the geographic, demographic and socio economic factors. The geographic factors include climate, soil factors, natural resources and transport facilities.…
What is Population Density?
The uncontrolled growth of population has an adverse effect on the development. As more is the population and more is the requirement of resources. Every year around one fifth of…
Write a short note on the biotic community?
The biotic community is defined as a collection of different populations which reside at one place. They interact with one other in many ways. It includes pond community, lawn community,…
Explain the interactions in biotic community?
There are different types of interactions in the biotic community. It can be positive, negative or neutral. In the positive interactions one of the species helps the other in one…
What is the Biotic Stability?
The biotic stability is defined as the non appearance of any major fluctuations in the populations so that the stability of community should not be disturbed. The diversity mainly controls…
Explain the changes in biotic community?
The changes in the biotic community are also known as the biotic succession. It is also known as the ecological succession. It is defined as the development of series which…
Explain the different types of biotic succession?
There are different types of biotic succession which can be of primary or secondary type. The primary succession is also known as the prisere. It occurs on the bare areas…
Explain the changes in biotic community on the rocks?
The lichen stage is the pioneer stage on rock. The lichens are wind born which settle on the wet surfaces made of rock. This process happens after the rain occurs.…