Science Challenge #8 Question 2. The Blue Whale, perhaps the largest animal ever to have lived on Earth, lives on krill which are VERY small shrimp-like creatures. How many krill (approximately of course!) does the adult blue whale eat each day during the summer? 200 lbs, 1,500 lbs, 2.5 tons, or 4 tons. Answer: 4 TONS Correct responses received from: J. Higgins, Sid Gospe, Peter and Merridy Hance, James Dewey