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प्रश्न
How many types of nephridia are found in earthworm based on their location?
उत्तर
In earthworm, nephridia are present in all segments except the first two. There are three types of nephridia on the basis of their location:
(a) Septal nephridia, present on both the sides of intersegmental septa from segment 15 to the last that open into intestine.
(b) Integumentary nephridia, attached to lining of the body wall of segment 3 to the last that open on the body surface and
(c) Pharyngeal nephridia, present as three paired tufts in the 4th, 5th and 6th segments
APPEARS IN
संबंधित प्रश्न
Answer the following:
What is the function of nephridia?
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: Septal nephridium and pharyngeal nephridium
Mention the function of the following - Body wall in 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 characteristics are used to identify the earthworms?
How do earthworms breathe?
Differentiate between peristomium and prostomium in earthworm.
Give the location of clitellum and spermathecal openings in Lampito mauritii.
