Sourav is the founder and sole author of Biology Notes Online. He holds a Master’s degree in Microbiology from Calcutta University and has over 5 years of experience in academic writing, life science content creation.
His content reflects hands-on lab expertise, deep subject knowledge, and a strong passion for simplifying biology for students. Whether it’s genetics, microscopy, or metabolic pathways — Sourav explains it in a way that’s accurate, exam-focused, and easy to remember.
He regularly updates and fact-checks all the material published on this site, ensuring students get trustworthy and updated biology notes with references to real scientific sources.
Evolution and Natural Selection Crossword: Journey through time with this evolution-themed crossword, exploring the mechanisms that have shaped life on Earth. From Darwin’s theory of natural selection to the fossil record, solve clues about species adaptation, mutations, and survival of the fittest. Challenge your knowledge of evolutionary biology and uncover how life has evolved and diversified over millions of years!
