Define population and community.
Population:
A population can be defined as a group of individuals of the same species residing in a particular geographical area at a particular time and functioning as a unit. For example, all human beings living at a particular place at a particular time constitute the population of humans.
Community:
A community is defined as a group of individuals of different species, living within a certain geographical area. Such individuals can be similar or dissimilar, but cannot reproduce with the members of other species.
Match the following:
Column $- I$ | Column $- II$ |
$(a)$ Organisms | $(i)$ Group of same species individuals |
$(b)$ Populations | $(ii)$ Individuals |
$(c)$ Communities | $(iii)$ Forest, desert, grassland |
$(d)$ Biomes | $(iv)$ Group of many species |
The niche of a population is defined as
Study of environment and animals relation
Select the incorrect statement w.r.t. ecotypes
Index of environmental health is determined by the change in the composition of