Fill in the gaps. choose one of three options belov. the blue whale is 1. living animal to have ever lived on the planet earth. blue whales are way larger than the biggest dinosaur that ever lived. blue whales 1.2. as large as 100 feet long, which is longer than three school buses put together! even though blue whales are 1.3. they eat tiny creatures known as krill. krill are tiny 1.4. that look like shrimp. the whale simply opens its mouth, fills 1.5. with krill and salt water, and filters the water out of platers in its mouth called baleen. the blue whale may eat over 8, 000 pounds of krill in a single day!