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What pores are located on segments 9 through 16 in a earthworm?
There are seminal receptacles in segments nine and ten. In segments seven through fourteen, there are genitalia segments. The crop is in segments 15 and 16.
What are the segments on worms called?
Segments are the lines on the outside of a worm
What is the usual segment number of the pharynx on an earthworm?
The segment number of the pharynx on an earthworm is around 4-7. Hope that helps.
How many segments are in the clittelum?
The clitellum of an earthworm typically consists of 4 to 32 segments, where the number of segments can vary depending on the species. It is located near the front of the worm and is involved in reproduction, producing a mucous sac in which eggs and sperm are deposited.
An earthworm has more light-sensitive cells in its anterior and posterior segments than in other parts of its body Explain how this is advantageous for the worm?
Having more light-sensitive cells in the anterior and posterior segments allows the earthworm to sense light and darkness in its environment, helping it avoid predators and seek shelter more effectively. This also aids in regulating its movement patterns, as earthworms tend to migrate towards darker, moister areas for survival.
How many segments are there in front of the clittelum?
There are 14 segments in front of the clitellum in an earthworm.
The number of segments between prostomiun and clitellum?
There are about 30 segments between the prostomium and clitellum of an earthworm. actually this question asked as differently as "How many segments are between the prostomium and clitellum of an earthworm?" see answer for this question.
Does earthworm has scales?
No. They have segments.
What is The first segment of the earthworm?
Segments
How many segments does a worm have?
An earthworm, Annelida [= ringed] has up to five pairs of hearts.
What happen to the shape of the earthworm when the circular muscles contract?
The segments elongate when the circular muscles contract.
How many segments of an earth worm have a heart?
An earthworm, Annelida [= ringed] has up to five pairs of hearts.
What is unique about earthworms skin and diet?
The earthworm's diet is dirt and other minerals. The earthworm's skin has little segments.
What pores are located on segments 9 through 16 in a earthworm?
There are seminal receptacles in segments nine and ten. In segments seven through fourteen, there are genitalia segments. The crop is in segments 15 and 16.
What segments are the sperm grooves located on an earthworm?
It is located on segment 21.
How many nephridiopores are in each segment of the earthworm?
Except for the first and last segments, which have no setae, there are eight tiny bristle-like structures that can not be seen with the naked eye called setae on each segment of an earthworm. The arrangement of the setae is one factor that helps in the identification of earthworms, as they can be closely or widely paired in four pairs or separate. Setae grip the soil to help the earthworm move about and sense the enviroment.
Does the number of segments on a earthworm relate to its age?
Yes, because worms grow by adding segments to their posterior end. While many species grow to a length of only a few centimeters, some tropical species live for up to ten years and grow to a length of more than 3 meters.
