Round, unsegmented worms are

Flat unsegmented worms are...

Segmented worms are...

They are elongated, unsegmented wormlike or threadlike animals that have long, thin, round bodies pointed at both ends

They are free living or parasites of humans, plants, and animals

Flatworms, flukes, and tapeworms are classified as _______ invertebrates.

Example of annelids.

Which of the following phyla includes organisms that are primarily segmented worms?

Which phylum is characterized by flat, unsegmented worms?

Roundworms belong to which of the following phyla?

Which of the following is a characteristic feature of annelids?

Tapeworms are classified under which phylum?

Which of the following organisms is an example of a nematode?