What are marine sponges?
Marine Sponges

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Biology
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Marine sponges are simple aquatic animals belonging to the phylum Porifera, characterized by their porous bodies and lack of true tissues.
2.
FLASHCARD QUESTION
Front
What type of symmetry do sponges have?
Back
Sponges have asymmetrical bodies, meaning they do not have a defined shape or symmetry.
3.
FLASHCARD QUESTION
Front
How do sponges obtain their food?
Back
Sponges obtain their food through a process called filter-feeding, where they filter small particles from the water.
4.
FLASHCARD QUESTION
Front
What is the main characteristic of sponges regarding movement?
Back
Sponges are mostly sessile, meaning they do not move from one place to another.
5.
FLASHCARD QUESTION
Front
What is the significance of pores in sponges?
Back
Pores in sponges allow water to flow in and out, facilitating filter-feeding and respiration.
6.
FLASHCARD QUESTION
Front
What are the main components of a sponge's body structure?
Back
The main components include the outer layer (pinacoderm), inner layer (choanoderm), and the mesohyl (gel-like substance in between).
7.
FLASHCARD QUESTION
Front
What is the ecological role of marine sponges?
Back
Marine sponges play a crucial role in aquatic ecosystems by filtering water, providing habitat for other organisms, and contributing to nutrient cycling.
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