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.

Where is a parrot's brain located?

• In its wings

• In its head

• In its feet

• In its tail

What unique feature do jellyfish have instead of a brain?

• A heart

• A nerve net

• A spinal cord

• A central nervous system

How does a jellyfish's nerve net help it?

• It enables them to communicate

• It helps them to sense direction and find food

• It allows them to fly

• It helps them to change color

Compared to a brain, how is a jellyfish's nerve net described?

• Inefficient

• Simple

• Advanced

• Complex

Why is a nerve net sufficient for jellyfish?

• Because they have large brains

• Because they have a complex nervous system

• Because it meets their needs in the underwater world

• Because they live on land