Worms

Front

What is the most common worm disease in the US?

Back

Pinworms are the most common worm disease in the US.

Front

Marine worms belong to which class?

Back

Marine worms are members of the class Polychaeta.

Front

Roundworms belong to which phylum?

Back

Roundworms belong to the phylum Nematoda.

Front

What is an example of a segmented worm?

Back

An example of a segmented worm is a Leech.

Front

What is a pseudocoelom?

Back

A pseudocoelom is a spacious, fluid-filled cavity that contains the visceral organs and forms a hydrostatic skeleton.

Front

What are the three main classes of worms?

Back

The three main classes of worms are Polychaeta, Oligochaeta, and Hirudinea.

Front

What type of symmetry do worms exhibit?

Back

Worms exhibit bilateral symmetry.

Front

What is the primary function of a worm's cuticle?

Back

The cuticle protects worms from desiccation and helps in locomotion.

Front

What is the role of the nephridia in worms?

Back

Nephridia are excretory organs that help in the removal of waste products.

Front

What is the difference between acoelomate and pseudocoelomate organisms?

Back

Acoelomate organisms lack a body cavity, while pseudocoelomate organisms have a fluid-filled body cavity that is not completely lined by mesoderm.