Explain the meaning of reproductive isolation?
admin It is defined as a non ability of the different species to perform inter breeding. It helps to make the separate identity of species. If it does not exist the…
Explain the origin of species?
The origin of species is also known as speciation. The new species develop from the already existing species. There are a lot of factors which play an important role in…
Explain the interactions between members of a species?
There are mainly two types of interactions between members of a species. They are known as cooperative and competitive interactions. In cooperative interactions the other members are helped. It includes…
Explain the competitive interaction?
The competitive interaction is also known as the competition. It is defined as a rivalry between the organisms for the same resources. It can be intraspecific or interspecific. The intraspecific…
Explain the meaning of word population?
It is defined as the permanent aggregation of individuals of the same kind which occur in a particular area at a particular time. Their ranking is lower than the species.…
Explain the factors affecting the population?
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…
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,…