Cnidarian Do now #3

Front

What type of digestive system do cnidarians have?

Back

Cnidarians have an incomplete digestive system because they have only a mouth and a gastrovascular cavity.

Front

How do cnidarians pass nutrients through their body?

Back

Nutrients are passed through the body of a cnidarian through the mesoglea.

Front

What is the structure of the cnidarian nervous system?

Back

The cnidarian nervous system consists of a nerve net with nerve cells scattered throughout the body.

Front

Do cnidarians have a simple brain?

Back

No, cnidarians do not have a simple brain called a ganglia.

Front

What ability do nudibranchs acquire from cnidarians?

Back

Nudibranchs eat cnidarians and steal their cnidocytes and stinging ability.

Front

Which body plan do sea anemones, corals, and hydras belong to?

Back

Sea anemones, corals, and hydras are of the polyp body plan.

Front

What is a gastrovascular cavity?

Back

A gastrovascular cavity is a central cavity in cnidarians where digestion and nutrient distribution occur.

Front

What are cnidocytes?

Back

Cnidocytes are specialized cells in cnidarians that contain stinging structures called nematocysts.

Front

What role does the mesoglea play in cnidarians?

Back

The mesoglea is a jelly-like substance that provides support and helps in the transport of nutrients.

Front

How do cnidarians move?

Back

Cnidarians move by contracting their bell or body, which propels them through the water.