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What is the function of the seminal vesicles in worms?
Earthworms are hermaphrodites. They have 2 pair of testicles that have 2 pairs of testicle sacs. There are 2 or 4 pairs of seminal vesicles that produces, store, and release the sperm through the male pores. Ovipores and ovaries are in segment 13 that release eggs through the female pores on segment 14.
Where is sperm stored until it is used by the worm?
We learned this in Science class while dissecting worms...Sperm is stored in an earthworm's seminal vesicles.
Do tape worms cause constipation?
No,as they live inside digestive system of a host,they do not have a digestive system.
Earth worms have a digestive system with openings?
Yes.
What type of digestive system do segmented worms have?
none
Do the worms have digestive system?
No, worms do not have a stomach--they do have a crop and a gizzard, as part of the digestive tract. The mouth of the worm connects directly to this tract, which runs the entire length of it's body.
Do worms have tongues?
No, worms do not have tongues. They use their muscular pharynx to push food into their digestive system.
Do tape worms have a simple digestive system?
yesType your answer here...
Do Round worms have two way digestive system?
yes
How does sperm from one earthworm enter another earthworm for cross-fertilization?
Two worms come together along their ventral sides and become temporarily joined by the secretion of a "slime tube". Sperm is discharged from the seminal vesicles of both Worms's long seminal grooves on the ventral body surfaces, and enter the seminal receptacles of the other worms.
Do all organisms have a digestive system and why?
No. plants do not digest food, they make their own from sun-light, water, CO2, and soil minerals. Plants don't need a digestive system. Animals, in other words, do.I think plants are the only organisms that don't have a digestive system. Many species of the Protists never developed a digestive system. Some unsegmented worms that have taken up a parasitic livelihood (such as Hook Worms and tape worms) have lost what digestive they once had and absorb their nutrients directly through their skin.
How does a worms digestive system recover after being cut in half?
It duplicates through regeneration
