Cnidarian Anatomy and Functions

Front

What is the nerve net in cnidarians?

Back

The nerve net is a decentralized network of nerve cells that coordinates the movements and responses of cnidarians.

Front

What role do ocelli play in cnidarians?

Back

Ocelli are simple light-sensitive organs that help cnidarians detect light and dark.

Front

What is the function of cnidocytes in cnidarians?

Back

Cnidocytes are specialized cells that contain nematocysts, which are used for capturing prey and defense.

Front

What is the gastrovascular cavity in cnidarians?

Back

The gastrovascular cavity is a central digestive compartment that serves both digestion and distribution of nutrients.

Front

What are the basic characteristics of cnidarians?

Back

Cnidarians are soft-bodied, carnivorous animals with cnidocytes and exhibit radial symmetry.

Front

What type of body symmetry do cnidarians exhibit?

Back

Cnidarians exhibit radial symmetry in both their Medusa and Polyp stages.

Front

What is the significance of the hydrostatic skeleton in cnidarians?

Back

The hydrostatic skeleton provides structural support and helps in movement by maintaining pressure within the body.

Front

How do cnidarians reproduce?

Back

Cnidarians can reproduce both sexually and asexually, with some species capable of budding.

Front

What is the role of the mesoglea in cnidarians?

Back

The mesoglea is a jelly-like substance that provides buoyancy and structural support between the epidermis and gastrodermis.

Front

What is the difference between the Medusa and Polyp forms of cnidarians?

Back

The Medusa form is free-swimming and bell-shaped, while the Polyp form is sessile and cylindrical.