Living World In Space And Time 582r34

Living World In Space: Since the creation of the living organisms on planet earth, they are inhabiting the earth and distributed in various habitats and regions. The distribution and the morphological and physiological characters are effected by many ecological factors such as water, altitude, temperature etc. The climatic conditions and the availability of resources are not same at all the places on the earth. For example the aquatic habitat is subjected to more temperature fluctuation and is better provided with nutrients than the land habitat. It has dissolved gases. Therefore only those organisms can live here who can adjusted themselves in this habitat.

Living World In Time:

There are theories which states that on the planet earth different types of organisms were living here in different time periods. It is thought that unicellular organisms such as fungi and algae were appeared first on earth which with the age of time slowly and gradually evolved into multi cellular ones. However scientific evidence does not the theory of evolution yet and therefore regarded as the most unbelievable event of history.