TOXIC ANIMALS
INTO THE WORLD OF SPIDERS
INTRODUCTION
Spiders are beautiful creatures that belong to the order Arachnida, their found in different environments all of the world even in damp marshes of the desertas long as there are arthropods to feed on (Preston-Mafham, 1993).All spiders are carnivores they hunt and feed on live insects, although some family of spiders specialize in hunting other spiders, the main thing is that they are all carnivores (Preston-Mafham, 1993). Some spiders hunt at night while others hunt during daylight time. The nocturnal spiders don’t depend on the webs to trap and catch insect but, instead they rely on the scent of the insect and the vibrations the insect emit on the ground to catch them (Dalton, 2008).the morphology of spiders hasn’t changed that much since the past you can see from the evidence of fossil records (Gertsch, 1979).
Figure 1: The morphology of the spider illustration (taken from Dalton 2008)
Spiders have deferent morphological characteristics than insects; as showed in Figure 1 they have four pair of legs and their mouth part is design to squeeze and crushing their prey and to suck fluid out of the bodies of the prey the catch (Hawkeswood, 2003).Different spiders make different webs, so species of spiders can be identified by the webs the make. The strength of the silk of the spider is five times stronger than steel of the same thickness (Dalton, 2008). Different species of spiders lay different kinds of eggs; their shapes and color are different (Hawkeswood, 2003). When people see spiders they see horror movies, the have this view that they were design to attack humans, but spiders only bite when their pinned against the skin(Dalton, 2008). They are very use full in control...
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The tarantella has a very interesting history. Its name derives from a little southern town of Italy called Taranto. It was believed that if a spider called the tarantula bit the townspeople, the only way to survive its bite was to do a dance called the Tarantella. The locals believed this was the only cure. If the people bitten did not dance they would suffer severe pain, muscle spasms, vomiting; most eventually died.
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Many people claim to be afraid of spiders, but probably not to the degree of 37-year-old "Mary Muffet" of Seattle. Mary went to many lengths to be spider-free, including sealing her windows and doors with duct tape, spraying her car with bug killer, and putting every single piece of washed and ironed clothing into its own sealed plastic bag. She wasn't just afraid of spiders; she had arachnophobia, a phobia, not to be confused with a simple fear. Phobias are not simple; they are complex in both their origin and diagnosis, with many types that people suffer from and any number of treatments exist to date.
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