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Questions and Answers
What is the pathway of water transport in sponges helpful for?
What type of animals are commonly known as sponges?
What supports the body of sponges?
What is the reproductive condition of sponges?
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How do sponges reproduce asexually?
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What is the main function of the water transport or canal system in sponges?
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What lines the spongocoel and canals in sponges?
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How is digestion carried out in sponges?
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What is the composition of the skeleton that supports the body of sponges?
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How do sponges reproduce sexually?
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Study Notes
Characteristics of Sponges
- Sponges are commonly known as Porifera, a type of animal.
- The body of sponges is supported by a skeleton composed of calcium carbonate or silica spicules.
Water Transport System
- The water transport or canal system in sponges is helpful for bringing food particles and oxygen to cells and removing waste products.
- The main function of the water transport system is to facilitate the exchange of materials between the sponge and its environment.
Spongocoel and Canals
- The spongocoel (central cavity) and canals in sponges are lined with specialized cells called choanocytes.
Nutrition and Digestion
- Digestion in sponges is an intracellular process, meaning it occurs within cells.
Reproduction
- Sponges are hermaphroditic, meaning they have both male and female reproductive organs.
- Sponges reproduce asexually through the formation of gemmules, which are specialized structures that can develop into new individuals.
- Sponges reproduce sexually by releasing sperm and eggs into the water column, which then fuse to form a zygote.
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Description
This quiz explores the characteristics of Phylum Porifera, commonly known as sponges. Learn about their marine habitat, asymmetrical body structure, cellular level of organisation, and their unique water transport system for food gathering and waste removal.
