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प्रश्न
What characteristics are used to identify the earthworms?
उत्तर
In gardens, earthworms can be traced by their fecal deposits known as worm castings on the soil surface.
The earthworms can be identified using the following characteristics:
- Long and cylindrical narrow body.
- Bilateral symmetry.
- It is light brown in colour with a purple tinge at the anterior end.
- The division of the body into many segments or metameres.
- The dorsal surface of the body is marked by a dark mid-dorsal line.
- In mature worms, segments 14-17 may be found swollen with a glandular thickening of the skin called the clitellum.
संबंधित प्रश्न
Answer the following:
What is the function of nephridia?
How many types of nephridia are found in earthworm based on their location?
Answer in one word or one line.
How many spermathecae are found in earthworm?
Draw a labelled diagram of the reproductive organs of an earthworm
Distinguish between the following - Prostomium and peristomium
Distinguish between the following: Septal nephridium and pharyngeal nephridium
Mention briefly about the circulatory system of earthworm
The clitellum is a distinct part in the body of earthworm Lampito mauritii, it is found in?
Sexually, earthworms are ______.
To sustain themselves, earthworms must guide their way through the soil using their powerful muscles. They gather nutrients by ingesting organic matter and soil, absorbing what they need into their bodies. State whether the statement is true or false: The two ends of the earthworm can equally ingest soil.
Choose the wrong statement among the following:
What are earthworm casts?
How do earthworms breathe?
Differentiate between peristomium and prostomium in earthworm.
Give the location of clitellum and spermathecal openings in Lampito mauritii.
Goblet cells are found in
