miércoles, 21 de enero de 2009

Sand dollar larvae cloning



The text of the larvae is expositive because the information that it provides is explicative and has the objective to inform and disseminate knowledge on a topic (sand dollar larvae cloning). It intends to report in the text predominantly referential function.

This text displays information about a topic of interest, which is directed at a broad audience, because it not requires prior knowledge on the subject of the exhibition.

The text explains the process of cloning of the sand dollar larvaes, which clone themselves only when they are expose to danger, this means that cloning will reduce their size and the predators will can’t to see them.

Furthermore, the text exposes the disadvantages of their cloning, because when the larvaes grow up they retain the size, which can be a disadvantage with another predator.

In sum, the text explains everything about the sand dollar larvaes scloning. Explains its effects, and shows us an expert opinion.

For example, Vaughn said that "you may reduce your vulnerability as a larvae, but when you reach the sea floor, potentially small size ends up hurting you. But if you don’t make it to the sea floor in the first place, it might be worth the tradeoff.”

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