Penguins have backward-facing barbs covering their tongues which allows them to get a grip on potetially slippery fish, enabling them to swallow their food whole. However, adult penguins feed their chicks regurgitated food before they can hunt themselves -chicks place their beak inside their parents to stimulate this behaviour in order for them to feed.
They have no teeth. Like other birds, they swallow bits of rock which stay in their gullets, and are used to pulverize the food, which is swallowed whole.
swallow the food
Yes. It is edible. And basically anything edible is food
Most marine animals swallow their food whole. This is because they do not have teeth. But not all marine animals swallow their food whole. Some have small teeth.
Swallow.
To swallow.
The goblin shark does not swallow its food whole. Instead, it uses its protrusible jaws to extend its mouth forward and snatch prey. Once caught, the goblin shark uses its razor-sharp teeth to tear chunks of flesh from its prey before swallowing.
Since they have no teeth they can't chew their food, so they swallow it.
Yes, they have to swallow so food to enter their stomach.
Yes, and they swallow each others bodily fluids
Stomach acid also kills most bacteria that you might swallow with you food.
No, emperor penguins and other penguin species do not have teeth. Instead, they have backward-facing spines in their mouths and throats to help them catch and swallow fish and other prey. Penguins use their bills to grip and swallow their food whole.