Starfish Body Parts — Reading Comprehension
Grades
1
2
Standards
RI.1.1
RI.1.2
RI.1.8
PRINT+DIGITAL RESOURCE
This learning resource is available in interactive and printable formats. The interactive worksshet can be played online and assigned to students. The Printable PDF version can be downloaded and printed for completion by hand.
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Comprehension Quiz
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About This Reader
Starfish, or sea stars, possess a remarkable anatomy that enables them to thrive in diverse marine environments. The body of a starfish typically consists of a central disc from which multiple arms radiate, usually five but sometimes up to 40 in some species. These echinoderms are covered in a tough, spiny skin that serves as protection against predators. One of the most fascinating aspects of starfish anatomy is their ability to regenerate lost arms, a survival mechanism that allows them to recover from injuries. Starfish lack a centralized brain but instead have a complex nervous system with a nerve ring and radial nerves extending into each arm. At the tip of each arm, they possess eyespots capable of detecting light and dark, aiding in navigation. This unique body structure, combined with their regenerative abilities, makes starfish excellent subjects for studying marine adaptations and resilience in ocean ecosystems.
Starfish have interesting body parts. Their body is made up of a central disc and arms. Most starfish have five arms, but some can have more. On top of their body, they have a tough, spiny skin that protects them. Starfish have eyes at the end of each arm to sense light. They don't have a brain, but they have a nerve ring that helps them feel things.
Starfish also have a special ability to grow back lost arms. This helps them survive if a predator bites off an arm.
What are the two main parts of a starfish's body?
Head and tailCentral disc and armsFins and scalesShell and legsWhere are a starfish's eyes located?
On its central discAt the end of each armOn its stomachIt doesn't have eyesWhat helps a starfish feel things instead of a brain?
A nerve ringIts stomachIts spiny skinIts tube feetWhy is it helpful for starfish to grow back lost arms?
To swim fasterTo eat more foodTo survive predator attacksTo look prettierCommon Core Standards Covered
RI.1.1
Ask and answer questions about key details in a text.
RI.1.2
Identify the main topic and retell key details of a text.
RI.1.8
Identify the reasons an author gives to support points in a text.
Grade Levels:
Grade 1Grade 2
Subjects:
elareadingscience
