Monday, September 23, 2019
Spiders Research Proposal Example | Topics and Well Written Essays - 750 words
Spiders - Research Proposal Example eight legs (Rollman and Taverna, 2008). It does not have a mouth to chew and it does not have wings which are common to other insects. Spiders produce silk but all spiders do not produce webs to hunt for other insects. Spider silk is also used by the creature for many other purposes such as climbing, building egg sacs, as well as immobilizing other creatures (Australian Museum, 2002). Their magnificent capabilities of adapting to new situations were tested in space as well where it was found that spiders could continue to spin their webs even without gravity once they had adapted to the environment (Wikipedia, 2008). This adaptation and the wide variety of spiders in the world also means that they are found all over the landmass of the planet from the jungles of brazil to the frozen tundra. Spiders have been found in deserts, near rivers, in densely populated cities and in the grasslands. They are found on all continents of the world and their habitat extends the planet (Australian Museum, 2002). The variety of the places they are found in is also reflected in the manner in which they mate since certain female spider species have been known to kill the male before or during the mating session which increases the chances of the male being the only one to mate with the female (Wikipedia, 2008). Beyond this aspect of their existence, certain spiders have also developed special adaptations which let them become better hunters or give them better chances of mating. For example, spiders which hunt near water may use bell shaped webs that are able to trap insects on the surface of the water. Some types of spiders have abandoned making webs altogether and have evolved into creatures that chase down their prey to hunt it (Wikipedia, 2008). Certain species of spiders also exhibit social behaviors such as living in a colony of thousands. In terms of size, depending on the environment they are in, spiders range from
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