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Questions and Answers
What is the function of gastrodermis?
What is the function of gastrodermis?
- Reproductive organ
- Digestive layer (correct)
- Outer layer of cells
- Supports the structure
What does GVC stand for?
What does GVC stand for?
Gastrovascular Cavity
What is the primary purpose of ovary/teste in hydras?
What is the primary purpose of ovary/teste in hydras?
Reproduction
What is the role of mesoglea?
What is the role of mesoglea?
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What is a bud in the context of hydras?
What is a bud in the context of hydras?
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What are cnidocytes?
What are cnidocytes?
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What is a nematocyst?
What is a nematocyst?
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What is the role of epidermis in hydras?
What is the role of epidermis in hydras?
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Study Notes
Gastrodermis
- A layer of tissue in cnidarians that lines the gastrovascular cavity.
- Functions in digestion and nutrient absorption.
GVC (Gastrovascular Cavity)
- A central cavity in cnidarians for digestion and circulation.
- Serves as both a digestive system and a circulatory system, facilitating nutrient transport.
Ovary/Testes
- Reproductive structures found in hydras.
- The ovary is located at the bottom of the organism, involved in producing eggs.
Mesoglea
- A jelly-like substance found between the epidermis and gastrodermis in cnidarians.
- Provides structural support and helps in buoyancy.
Bud
- An asexual reproductive structure in hydras.
- Budding allows hydras to produce offspring that develop on the parent organism before detaching.
Cnidocyte
- Specialized cells unique to cnidarians, responsible for capturing prey.
- Contains a stinging organelle called a nematocyst.
Nematocyst
- A defensive or feeding structure found within cnidocytes.
- Discharges a barbed thread to inject venom into prey or as a defense mechanism.
Epidermis
- The outer layer of cells in hydras, providing protection and structure.
- Responsible for sensory perception and interaction with the environment.
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