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Questions and Answers
What is the defining characteristic of a complete digestive system?
What is the defining characteristic of a complete digestive system?
What type of circulatory system directly bathes the cells and tissues in blood?
What type of circulatory system directly bathes the cells and tissues in blood?
In which group of animals does the digestive system have only a single opening to the outside of the body?
In which group of animals does the digestive system have only a single opening to the outside of the body?
What is the term for the pattern where organs have associated to form functional systems, each concerned with a specific physiological function?
What is the term for the pattern where organs have associated to form functional systems, each concerned with a specific physiological function?
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What is the defining characteristic of an incomplete digestive system?
What is the defining characteristic of an incomplete digestive system?
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What type of symmetry is commonly exhibited by sponges?
What type of symmetry is commonly exhibited by sponges?
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What is the primary function of the water transport or canal system in sponges?
What is the primary function of the water transport or canal system in sponges?
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What is the material that supports the body of sponges?
What is the material that supports the body of sponges?
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How do sponges reproduce asexually?
How do sponges reproduce asexually?
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What is the reproductive characteristic of sponges?
What is the reproductive characteristic of sponges?
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Study Notes
Digestive System
- A complete digestive system is characterized by having two openings: a mouth and an anus.
Circulatory System
- Open circulatory systems directly bathe cells and tissues in blood.
Body Structure
- Animals in the phylum Platyhelminthes (flatworms) have a digestive system with only one opening to the outside of the body.
Organ Systems
- The pattern of organs associated to form functional systems, each concerned with a specific physiological function, is called organ system organization.
Digestive System
- An incomplete digestive system is characterized by having only one opening, serving as both mouth and anus.
Body Symmetry
- Sponges commonly exhibit asymmetry or radial symmetry.
Water Transport System
- The primary function of the water transport or canal system in sponges is to bring in food and oxygen and remove waste products.
Body Support
- The material that supports the body of sponges is a skeleton made of spicules or spongin.
Reproduction
- Sponges reproduce asexually by budding, where a new individual grows from the body of the parent.
- Sponges are hermaphroditic, meaning they have both male and female reproductive cells.
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Description
Test your knowledge of animal organ systems and their complexities with this quiz. Explore the differences in organ system organization in different animal groups and their physiological functions.
