The number and kinds of organisms are not constant at a place

the-living-world

#1

The number and kinds of organisms are not constant at a place. How do you explain this statement?


#2

The number and kinds of organisms are never constant at a place, as development and reproduction keeps the number changing. It is influenced by season and availability of resources.
For example, number of mosquitoes are very large in warm and humid weather, whereas in extreme summer or winter, they can be seen rarely.