Question

Earthworms breathe through their

• A. skin
• B. gills
• C. lungs
• D. stomata

Answer 1

The correct option is A

skin

The correct option is : A.

The explanation for the correct option :

1. The earthworm is a reddish brown-colored terrestrial invertebrate.
2. It lives in moist soil's upper layer.
3. They are nocturnal creatures.
4. Earthworms lack specialized breathing apparatus.
5. Earthworms need their skin to breathe.
6. Because their skin is gas permeable.
7. Their skin is moist, and cutaneous respiration is the process of breathing via the skin.

The explanation for the incorrect options:

Option B:

1. Fish breathe with the help of their gills.
2. The majority of fish have gills on both sides of their heads.
3. Gills provide a wide surface area for oxygen in the water.
4. Fish inhale oxygen-rich water through their mouths and exhale it through their gills.

Option C:

1. The respiration by the lungs is also called pulmonary respiration.
2. The gas exchange takes place between the lungs and the external environment.
3. Humans do pulmonary respiration.
4. It takes place through the lungs.
5. It is also called external respiration.

Option D:

1. Stomata are small pores present in the epidermis of the leaf.
2. They are meant for gas exchange in plants.
3. Stomata are surrounded by guard cells.

Final answer: Earthworms breathe through their skin.