what is measios and metamerism
Answers
Explanation:
In biology, metamerism is the phenomenon of having a linear series of body segments fundamentally similar in structure, though not all such structures are entirely alike in any single life form because some of them perform special functions. In animals, metameric segments are referred to as somites or metameres.
Answer:
Metamerism is the repetition of homologousbody segments. This type of development can be seen in the Annelids, which are earthworms, leeches, tubeworm, and their relatives. It is also seen in a more advanced form in the Arthropods, or crustaceans, insects and their relatives. Metamerism arises from teloblastic development, in which cells divide asymmetrically to form rings of small cells around the embryo. These cells proliferate into the many segments of worms, and can be homonomous meaning very similar, or they can be differentiate into a wide variety of functions. These segments are called heteronomous. Metamerism has led to a great diversity of annelids, arthropods and other segmented animals in the world. The simple segmented condition of annelids allows them to exist in every environment from the deepest parts of the ocean to the soil of some of the highest mountains.
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