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Questions and Answers
What is the term for a rigid outer shell that holds up an organism's shape?
What is the term for a rigid outer shell that holds up an organism's shape?
What type of skeleton do vertebrates typically have?
What type of skeleton do vertebrates typically have?
What is the term for a flexible internal structure supported by the hydrostatic pressure of body fluids?
What is the term for a flexible internal structure supported by the hydrostatic pressure of body fluids?
What is the Ancient Greek origin of the term 'skeleton'?
What is the Ancient Greek origin of the term 'skeleton'?
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What are spicules found in the skeletal systems of some animals?
What are spicules found in the skeletal systems of some animals?
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Study Notes
Skeletons and Their Structures
- A rigid outer shell that maintains an organism's shape is known as an exoskeleton.
- Vertebrates generally possess an endoskeleton, which provides internal support and structure.
Fluid-Based Support Structures
- A flexible internal structure that relies on the hydrostatic pressure of body fluids is called a hydrostatic skeleton.
Etymology of 'Skeleton'
- The term 'skeleton' has its roots in Ancient Greek, originating from the word 'skeletos', which means "dried up" or "the dried body".
Components of Animal Skeletal Systems
- Spicules are small, needle-like structures found in the skeletal systems of some animals, contributing to structural integrity and support.
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Description
Test your knowledge about different types of animal skeletons, including exoskeletons, endoskeletons, and hydroskeletons. Learn about the structural support systems that allow animals to thrive in their environments.
