Coral Reefs: Porifera

Front

What does 'sessile' mean in relation to animals?

Back

Sessile refers to animals that do not move from their place of attachment as adults.

Front

What are spicules?

Back

Spicules are the hard skeletal structures found in sponges, providing support and structure.

Front

To which phylum do sponges belong?

Back

Sponges belong to the phylum Porifera.

Front

Which of the following structures is not found in sponges: Choanocytes, Tissues, Pinacocytes, Mesohyl?

Back

Tissues are not found in sponges.

Front

What type of symmetry do sponges exhibit?

Back

Sponges exhibit asymmetrical symmetry.

Front

What are choanocytes?

Back

Choanocytes are specialized cells in sponges that help in feeding by creating water currents.

Front

What is the function of pinacocytes in sponges?

Back

Pinacocytes are flat cells that cover the outer surface of sponges, providing protection.

Front

What is the mesohyl in sponges?

Back

Mesohyl is the gelatinous matrix found between the inner and outer layers of sponge cells.

Front

What is the role of amebocytes in sponges?

Back

Amebocytes are cells that transport nutrients and can differentiate into other cell types in sponges.

Front

How do sponges feed?

Back

Sponges feed by filter feeding, trapping particles from water that flows through their bodies.