Do jellyfish have brains?

The video explores the concept of brains in animals, starting with parrots and beetles, and then shifts focus to jellyfish, which lack a brain. Instead, jellyfish have a nerve net that helps them navigate and find food. This nerve net is simpler than a brain but sufficient for their needs in the underwater environment.

Why can't we see a jellyfish's brain?

What is the main difference between a jellyfish's nerve net and a brain?

How does a jellyfish's nerve net help it in its environment?

In what way is the nerve net of a jellyfish considered simple compared to a brain?

What do jellyfish rely on to sense their underwater world?