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What type of reproduction does annelid use?
It is thought that annelids were originally animals with two separate sexes, which released ova and sperm into the water via their nephridia.[3] The fertilized eggs develop into trochophore larvae, which live as plankton.[33] Later they sink to the sea-floor and metamorphose into miniature adults: the part of the trochophore between the apical tuft and the prototroch becomes the prostomium (head); a small area round the trochophore's anus becomes the pygidium (tail-piece); a narrow band immediately in front of that becomes the growth zone that produces new segments; and the rest of the trochophore becomes the peristomium (the segment that contains the mouth).[3]
What is the common name of annelids?
Segmented worms
Do annelids have internal or external shell?
Annelids are a very diverse group some produce tubes for protection but these are not shells in the strictest sense of the word.
Do annelids have legs?
Yes, the queen ant in an ant colony lays eggs.
The walls separating an annelids segments are known as?
septa
Are annelids asexual?
No they sexually reproduce::
What are the similarities between all annelids?
they hunt and reproduce
Why did the scientists did not considered the tapeworms as part of annelids?
Tapeworms are part of the phylum platyhelminthes. They are long, flat, parasitic worms that are adapted to life inside the intestines of their hosts. Tapeworms are the simplest animals to have three embryonic germ layers, bilateral symmetry and cephalization. They are NOT annelids because that phylum consists of animals with segmented bodies that are separated by septa. Each segment performs special functions. Most annelids reproduce sexually, while tapeworms reproduce asexually by fission.
Where would you find annelids?
annelids
What are Annelids and are the vertebrate?
Are annelids vertebrate
What do annelids use for excretion?
Annelids have an anus
Are annelids bilateral symmetry?
Yes, Annelids have bilateral symmetry.
Are annelids invertebrate animals?
Yes, Annelids are invertebrate animals .
Where do leeches originate?
Leeches are annelids believed to have evolved from certain Oligochaeta. Oligochaeta is a subclass of animals made up of mostly types of worms. Leeches are hermaphrodites who reproduce using reciprocal fertilization.
What skleteon do annelids have?
annelids (such as worms) dont actually have skeletons, but are soft-bodied
Where might you find annelids?
annelids are commonly found in wet or moist environment's
Are annelids circulatory system?
Annelids have a closed circulatory system.
