Jellyfish: Nature's Marvels

The video discusses the fascinating characteristics of jellyfish, focusing on thimble jellyfish and moon jellies. Thimble jellyfish are tiny, 95% water, and have survived for 650 million years without complex organs. Despite lacking a brain, they can perform complex tasks. Moon jellies, on the other hand, are larger and appear as luminous cathedrals or swaying skirts in the sea. Both types of jellyfish exhibit unique adaptations to their marine environment.

What percentage of water makes up the thimble jellyfish?

• 50%

• 100%

• 75%

• 95%

How long have jellyfish been surviving on Earth?

• 650,000 years

• 65 million years

• 6.5 million years

• 650 million years

Which of the following is NOT a capability of jellyfish despite their lack of a brain?

• Balancing

• Smelling

• Tasting

• Flying

What do moon jellies resemble from certain angles?

• Forests

• Deserts

• Mountains

• Cathedrals of light

How many moon jellies can gather together at one time?

• 10,000

• 5,000

• 20,000

• 1,000