What did Megalodon go extinct?

Megalodon became extinct 2 million years ago. It has been suggested that its disappearance was due to a series of unfortunate events that include:

• Earth’s climate change during this period of time (known as the ice age). Changes in the climate caused changes in the habitat of Megalodon. Many shallow areas dried up, and the waters did not have so many nutrients.
• The habitat changes also caused crashes in the populations of Megalodon’s favorite prey species, such as whales.
• Now Megalodon had to compete for food with other species of sharks.