Photoperiodism in Birds & Mammals | Animal Behaviour | CSIR NET & GATE XL | Lifelogy Sensei скачать в хорошем качестве

Photoperiodism in Birds & Mammals | Animal Behaviour | CSIR NET & GATE XL | Lifelogy Sensei

Photoperiodism plays a crucial role in regulating seasonal breeding, migration, reproduction, and hormonal cycles in birds and mammals. In this detailed lecture, Lifelogy Sensei explains the neuroendocrine mechanisms behind light perception, melatonin secretion, pineal gland regulation, and seasonal gonadal changes — concepts highly important for CSIR NET Life Sciences, GATE BT/XL, DBT, ICMR, and other PGT Biology exams. 🔬 Topics Covered: Definition and mechanism of photoperiodism Role of retina, hypothalamus & pineal gland Melatonin and circadian rhythm regulation Seasonal breeding in birds (long-day breeders) Seasonal reproduction in mammals (short-day breeders) Hormonal regulation (GnRH, LH, FSH pathways) Previous year conceptual MCQ discussion This session will strengthen your understanding of Animal Behaviour and Chronobiology, which are frequently asked in Part B & Part C of CSIR NET. 📚 Perfect for: CSIR NET | GATE | DBT | ICMR | DSSSB | PGT Biology | MSc Entrance Exams 👉 Don’t forget to Like, Share & Subscribe to Lifelogy Sensei for high-quality conceptual biology lectures. #CSIRNET #GATELifeSciences #Photoperiodism #AnimalBehaviour #Chronobiology #PGTBiology #LifelogySensei #htet #dsssb #htetpgtbiology #biology #explorepage #nvs