Marine Sponges

Marine Sponges

Assessment

Flashcard

Biology

9th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What are marine sponges?

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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