I WONDER - How Did The Pteranodon Eat?

Pteranodon was a dominant predator, soaring over oceans to hunt fish and other prey. It used its long, pointed beak to catch food, despite having no teeth. Pteranodon could also snatch small reptiles and mammals from the ground. It was a formidable creature, ruling both the skies and seas.

Explain why Pteranodon did not need teeth for its feeding habits.

What was the significance of Pteranodon in its ecosystem?