Problem Analysis:
The worksheet is divided into two sections:
1.
Fill in the Blank: Requires completing sentences about jellyfish.
2.
Matching: Requires matching definitions to the correct terms.
Let's solve each section step by step.
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Section 1: Fill in the Blank
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Question 1: Jellyfish are older than _________.
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Fact: Jellyfish have been around for over 500 million years, making them one of the oldest animals on Earth. They predate dinosaurs and many other life forms.
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Answer: Dinosaurs
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Question 2: Jellyfish are made up of 95% _________.
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Fact: Jellyfish are composed mostly of water (about 95%) and a gelatinous substance called mesoglea.
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Answer: Water
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Question 3: A jellyfish's body is shaped like a _________.
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Fact: The body of a jellyfish is typically bell-shaped or umbrella-shaped.
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Answer: Bell
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Section 2: Matching
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Question 4: An animal that hunts other animals for food.
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Definition: This describes a predator, which actively hunts and consumes prey.
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Match: Predator
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Question 5: Tiny plant & animal life that floats in water.
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Definition: This refers to plankton, which includes microscopic organisms that drift in water.
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Match: Plankton
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Question 6: Stinging part of jellyfish's body.
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Definition: Jellyfish use their tentacles to sting and capture prey.
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Match: Tentacles
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Question 7: Animal with a backbone. Ex. humans, most zoo animals.
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Definition: Animals with backbones are called vertebrates.
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Match: Vertebrate
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Question 8: Part of a jellyfish's body that helps it eat.
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Definition: Jellyfish use oral arms (or mouthparts) to catch and consume food.
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Match: Oral arms
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Question 9: Animal without a backbone. Ex. jellyfish, worms, snails.
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Definition: Animals without backbones are called invertebrates.
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Match: Invertebrate
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Question 10: Victims of another animal.
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Definition: Prey are the animals hunted and eaten by predators.
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Match: Prey
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Final Answers:
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Fill in the Blank:
1. Dinosaurs
2. Water
3. Bell
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Matching:
4. Predator
5. Plankton
6. Tentacles
7. Vertebrate
8. Oral arms
9. Invertebrate
10. Prey
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Boxed Final Answer:
\boxed{
\begin{aligned}
&\text{1. Dinosaurs} \\
&\text{2. Water} \\
&\text{3. Bell} \\
&\text{4. Predator} \\
&\text{5. Plankton} \\
&\text{6. Tentacles} \\
&\text{7. Vertebrate} \\
&\text{8. Oral arms} \\
&\text{9. Invertebrate} \\
&\text{10. Prey}
\end{aligned}
}
Parent Tip: Review the logic above to help your child master the concept of jellyfish worksheet.