what are the identifying features of earthworm
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Answer:
Before you begin the identification process, here are a few important things that you should keep in mind:
Make sure your hands are moist and free of soap or lotion as these can irritate earthworms and make them difficult to handle
Keep a spray bottle of water around to moisten the earthworm and your hands when they become dry
Look for patterns instead of small details when you are looking for certain physical characteristics on your earthworm
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How do I identify earthworms?
Try to identify reproductive adults: those earthworms will have a well-defined clitellum. The clitellum is usually a different colour than the earthworm’s body and located close to the head of the earthworm. The clitellum is normally greyish-white, but it can also be bright orange within the same species. The bright orange colour indicates that the earthworm is in heat, and does not mean that this is a different species of earthworm.
Follow through the illustrations on the Taxonomic Key until you have identified each adult. A detailed illustration showing all the external features of the earthworm, including a size chart, can be found on the General Earthworm Diagram. This diagram highlights all the physical features you’ll need to correctly identify your earthworms.
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