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Questions and Answers
What unique body part of a jellyfish is used to trap their prey?
What unique body part of a jellyfish is used to trap their prey?
How is food brought to the mouth of a jellyfish for digestion?
How is food brought to the mouth of a jellyfish for digestion?
What can sometimes prevent a jellyfish from eating its prey even after killing it?
What can sometimes prevent a jellyfish from eating its prey even after killing it?
What characteristic of a jellyfish allows observers to see the food inside its body?
What characteristic of a jellyfish allows observers to see the food inside its body?
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What term is used to describe large groups of jellyfish that drift together?
What term is used to describe large groups of jellyfish that drift together?
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Study Notes
Overview of Jellyfish
- Jellyfish are not fish but invertebrates, meaning they lack a backbone.
- They have existed for millions of years, floating in Earth's oceans.
- Composed primarily of a jelly-like substance, jellyfish have no bones, heart, blood, or brain.
- Their bodies are bell-shaped and translucent, allowing for some visibility through them.
- Jellyfish float near the surface and are often carried by ocean currents, leading to them being found on beaches.
Dietary Habits of Jellyfish
- Jellyfish are carnivorous, primarily consuming other marine creatures.
- They are classified as opportunistic predators, willing to eat anything they encounter in the water.
- The diet of jellyfish is size-dependent; smaller jellyfish feed on plankton, while larger ones prey on fish, shrimp, and crabs.
- The largest jellyfish have been known to consume other jellyfish, showcasing their varied dietary needs.
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Description
Test your knowledge about jellyfish with this quiz! Learn more about these fascinating sea creatures that have been floating around Earth's oceans for millions of years.
