The largest and heaviest living creature on earth is the blue whale.
The Blue Whale
Nothing. There is no living creature in earth that is 30 times the size of a blue whale. Blue whales are the largest living things on Earth.
It is uranus because that is the seventh planet on earth that's right
The largest heart has to be in the largest creature that has ever inhabited the earth, which is the Blue Whale!
I believe the biggest living creature that scientists know of right now is the Blue Whale.
possibly plankton
A Whale and I do believe they are also the biggest mammal on earth too.
In our solar system, the largest planet, Jupiter, is indeed also the heaviest, weighing in at about 317 times the mass of Earth. However, a larger planet isn't necessarily a heavier one - for example, Uranus is larger but less massive than Neptune.
If your asking which is the biggest animal then a whale is the largest underwater creature and elephants are the largest land mammals
It would be sharks. They outlived dinosaurs!
No polar bears are not the heaviest animal ad sperm or blue whale is. The reason why is because whales live much longer and they need more blubber on there long body.
The largest animal is the blue whale.