Jordan's rule
Channel: Dipbiology
Date: 20/08/2020

This video deals with Jordan's rule, an important ecogeographical concept and help us to understand why some fish populations of colder climates having  increase meristic characters like vertebrae, scales, fin rays etc.comparison to warmer populations of the same species and also  why is rule called ecogeographical rule.This video is useful in different courses like B.Sc, M.Sc,Higher secondary(Biology) and during preparation of examination like CSIR NET, DBT JRF, ICAR NET,UGC SET, GATE-Life science, UPSC, TPSC,C-TET etc.
To learn more about different concept of ecological principles check out other videos:
1.Ecological hierarchy/Level of organization
https://www.youtube.com/watch?v=zIkKZn1FDeg&t=37s
2.Autecology and Synecology
https://www.youtube.com/watch?v=HINHdacf_qc&t=54s
3.Environment (Abiotic and biotic factors)
https://www.youtube.com/watch?v=CV4nSYdZnx4
4.Gloger’s rule
https://www.youtube.com/watch?v=9EcwO0kTles
5. Bergmann’s rule
https://www.youtube.com/watch?v=isUxNj6eMzc
6. Allen’s rule
https://www.youtube.com/watch?v=u9FObbGn004