Jellyfish and Their Stinging Mechanism

Doug introduces jellyfish, highlighting their beauty and stinging ability. Crystal asks how jellyfish sting, and Esther Ikoro, an explorer, explains that jellyfish sting to capture prey and protect themselves. Jellyfish lack protective features like shells or teeth, relying on venomous darts in their tentacles. The video also explores other cnidarians like corals, which use similar stinging mechanisms. The episode concludes with a call for viewers to vote on future topics.

What is the main reason jellyfish sting?

• To capture prey and defend themselves

• To navigate through the ocean

• To communicate with other jellyfish

• To attract mates

Which part of the jellyfish is responsible for its movement?

• Fins

• Stingers

• Bell

• Tentacles

What is the primary function of the jellyfish's tentacles?

• To help them swim faster

• To sting and capture prey

• To protect their eggs

• To communicate with other jellyfish

What is the shape of the jellyfish's bell?

• Square

• Triangular

• Umbrella-like

• Circular

What did scientists discover inside jellyfish tentacles using a microscope?

• Small teeth

• Tiny eyes

• Venomous darts

• Miniature fins

Which jellyfish is known to be the most venomous in the world?

• Moon jelly

• Sea wasp

• Pacific sea nettle

• Lion's mane jelly

What happens when a jellyfish's tentacle brushes against something?

• It changes color

• It releases a scent

• It fires venomous darts

• It retracts quickly

How are corals similar to jellyfish?

• They both have a brain

• They both use tentacles to sting

• They both live on land

• They both have a hard shell

What group do jellyfish and corals belong to?

• Echinoderms

• Mollusks

• Cnidarians

• Crustaceans

How do baby jellyfish resemble corals?

• They have a hard shell

• They attach to the sea floor

• They have a large brain

• They can fly