Home | | Zoology 12th Std | Population Regulation

Population Regulation - Organisms Reproductive and Population | Study Material, Lecturing Notes, Assignment, Reference, Wiki description explanation, brief detail |

Chapter: 12th Zoology : Organisms Reproductive and Population

Population Regulation

The inherent tendency of all animal populations is to increase in number.

Population Regulation

 

The inherent tendency of all animal populations is to increase in number. But it does not increase indefinitely. Once the carrying capacity of the environment is reached, population numbers remain static or fluctuate depending on environmental conditions. This is regulated by many factors which are

1. Density independent – Extrinsic factors

2. Density dependent - Intrinsic factors

Extrinsic factors include availability of space, shelter, weather, food, etc. Intrinsic factors include competition, predation, emigration, immigration and diseases.



Tags : Organisms Reproductive and Population Organisms Reproductive and Population
Study Material, Lecturing Notes, Assignment, Reference, Wiki description explanation, brief detail


Privacy Policy, Terms and Conditions, DMCA Policy and Compliant

Copyright © 2018-2023 BrainKart.com; All Rights Reserved S21. Developed by Therithal info, Chennai.