Worm Review Questions

What are the three main types of worms?

• nematodes, planarians and tape worms

• flat worms, round worms and segmented worms

• earthworms, tapeworms and hookworms

• leeches, worms and pinworms

How do worms contribute to the ecosystem?

• Worms destroy plants and crops.

• Worms improve soil structure, recycle organic matter, and provide food for other organisms.

• Worms contribute to the ecosystem by spreading diseases.

• Worms have no impact on the ecosystem.

What type of worm reproduces by laying eggs?

• Tape worm

• Leech

• Earthworm

• Nematode

True or False: Worms have a closed circulatory system.

• Partially true

• True

• Not enough information

• False

What is the role of worms in soil fertility?

• Worms decrease soil fertility by consuming nutrients and organic matter.

• Worms have no role in soil fertility.

• Worms contribute to soil fertility by aerating the soil.

• Worms improve soil fertility by decomposing organic matter and improving nutrient availability.

What type of worm is commonly used in composting?

• Earthworms (Lumbricus terrestris)

• Tapeworms (Cestoda)

• Red worms (Eisenia fetida)

• Nematodes (Nematoda)

How do worms aid in the decomposition process?

• Worms have no effect on the decomposition process.

• Worms eat decaying matter and prevent decomposition.

• Worms release harmful chemicals that slow down the decomposition process.

• Worms break down organic matter and speed up the decomposition process.

True or False: All worms are hermaphrodites.

• False

• False, except for some species

• True, except for male worms

• True, except for earthworms

What is the scientific name of the common earthworm?

• Lumbricus aquaticus

• Lumbricus angustus

• Lumbricus terrestris

• Lumbricus vulgaris

What is the average lifespan of a worm?

• The average lifespan of a worm is 100 years.

• The average lifespan of a worm is one week.

• The average lifespan of a worm varies depending on the species.

• Worms do not have a lifespan.