उन जानवरों को क्या कहा जाता है जो चयापचय (metabolic) प्रक्रिया द्वारा अपने शरीर के तापमान को आंतरिक रूप से नियंत्रित करते हैं?

In the context of marine and aquatic ecosystems, how is the phenomenon of bioluminescence precisely defined?

The renal portal system is absent in which of the following animal groups?

What is the average heartbeat rate per minute of a Coal Tit bird during active state?