Earthworm Anatomy Worksheet
Explore the external and internal anatomy of an earthworm with this Grade 5 science worksheet.
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Earthworm Anatomy
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Read each question carefully and answer to the best of your ability. Use the provided diagrams to help you.
1. Look at the diagram of the earthworm's external anatomy below. What is the name of the thick band around the earthworm's body?
2. Earthworms have segments. Approximately how many segments can an adult earthworm have?
Use the diagram below to help you fill in the blanks.
3. Food passes from the pharynx to the , which grinds the food.
4. The earthworm's heart-like structures are called arches.
5. Which organ is responsible for storing food before it is ground?
Gizzard
Esophagus
Crop
Intestine
6. Earthworms breathe through their:
Lungs
Gills
Skin
Spiracles
7. Earthworms have a backbone.
True
False
8. The clitellum is involved in reproduction.
True
False
9. Explain the primary function of the earthworm's setae (bristles).
10. How does the earthworm's digestive system help improve soil quality?