Exploring the World of Worms

The video explores the diversity of worms, highlighting three main phyla: flatworms, roundworms, and segmented worms. It discusses the unique characteristics of each group, such as the bilateral symmetry of flatworms, the digestive system of roundworms, and the segmented bodies of annelids. The video also touches on the habitats of these worms, from freshwater to marine environments.

What are the three phyla of worms mentioned in the video?

• Roundworms, segmented worms, and arthropods

• Flatworms, roundworms, and segmented worms

• Flatworms, annelids, and mollusks

• Segmented worms, flatworms, and cnidarians

Where are planarians, a type of flatworm, commonly found?

• In deserts

• In streams and ponds

• In forests

• In the ocean

What type of symmetry do flatworms exhibit?

• Radial symmetry

• Asymmetry

• Bilateral symmetry

• Spherical symmetry

What is a distinctive feature of roundworms?

• They are segmented

• They have radial symmetry

• They are always found in marine environments

• They have a tube-like digestive system

Which of the following is true about segmented worms?

• They have a spherical body shape

• They are mostly found in deserts

• They are divided into numerous segments

• They have a head and a tail