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What are the polyps at the end of the stalks of a hydroid colony called?
zooids
Why is the Portuguese man of war classified as a hydroid?
The Portuguese man of war is classified as a hydroid because it belongs to the class Hydrozoa, which is part of the phylum Cnidaria. Despite its jellyfish-like appearance, it is actually a colonial organism composed of specialized polyps and medusoids that work together, functioning as a single entity. Each part has a specific role, such as capturing prey, buoyancy, or reproduction, which is characteristic of hydroid colonies. This unique structure and cooperative behavior distinguish it from true jellyfish.
Reproduction of polyps?
Polyps reproduce asexually through a process called budding. This involves the formation of new polyps from the original polyp, which then detach and grow into independent individuals. Polyps can also reproduce sexually by releasing eggs and sperm into the water for fertilization.
A hydrozoan that is actually a colony of four types of special polyps that depend each other for survival?
This hydrozoan is likely a "Portuguese Man o' War" (Physalia physalis). It consists of gas-filled float, feeding polyps, reproductive polyps, and defensive polyps. Each polyp performs a specific function that contributes to the overall survival of the colony.
What is a group of coral called?
If the group is a clone of organisms associated living together which haven't split after their formation, it's called a colony.
What are polyps called collectively?
A coral
What is the body plan of the Portuguese man of war?
Unlike true jellyfish, which go through the polyp body plan as a juvenile and the medusa as an adult, Portuguese Man-of-War are colonial animals made up of both polyps and medusae. The individual animals within the colony may be in the form of polyps which contain the stinging cells that are used for catching prey or they may have some other role such as reproduction. The individual animals work together and allow the colony to function as a single organism.
Describe about the polymorphism in coelenterates?
iit is the phenominon in whichmore then two individuals are found in same specieces during its life cycle...as in obelia...wher polyps and medusa are formed...which have different function..polyps helps to feed so it is called nutretive zoods...and another one is medusa,which help in reproduction...so it is called reproductive zoods
How does polyp reproduce?
Polyps can reproduce either asexually through budding, where new polyps develop from the parent polyp, or sexually by releasing eggs and sperm into the water for fertilization. In sexual reproduction, polyps can produce larvae that will eventually settle and grow into new polyps.
What are the methods of reprodduction for a cnidarian?
From corals to jellyfish, the most common method of sexual reproduction is broadcast fertilization. However, most species also use asexual cloning during early stages of their lives, cloning new polyps that become individuals of a colony, or differentiate into a colony of specialized, symbiotic polyps. Some polyps 'bud', or clone, themselves into free swimming medusae, before using sexual reproduction as an adult to propagate offspring . And then some corals are hermaphrodites and some cubozoans actually copulate, sort of, wrapping their tentacles around each other and transferring gametes into the female gastrovascular cavity. Some jellyfish brood their offspring and others simply release gametes into the sea during an aggregation of adults. So the answer to your question is rather diverse and complicated.
Small growths arising from the epithelial lining of the colon are called?
Polyps. These are usually benign growths but can sometimes develop into cancer if left untreated. Regular colonoscopies are recommended to detect and remove any polyps before they become cancerous.
How do reefs form?
A stony coral colony begins as a single free-swimming founder coral polyp that attaches itself to a hard substrate such as submerged rocks. The founder polyp replicates itself repeatedly through asexual reproduction, producing a colony. The colony consists of a base which is attached to the reef substrate, a growing edge zone (where new coral polyps are produced), and an upper surface that is exposed to light that filters down through the water.
