Spiders and Arachnids: Similar Yet Different Essay

Spiders and Arachnids: Similar Yet Different Essay

Length: 1166 words (3.3 double-spaced pages)

Rating: Strong Essays

Open Document

Essay Preview

Many people think that spiders and arachnids are synonyms with the same meaning and classifications. Through this piece, one will understand various differences and similarities between the two. Spiders are a member of the order, Araneae, class, Arachnids, and the phylum, Anthropods. Within the arachnid class lies much diversity and a few common traits. Spiders are grouped into this class as well as scorpions, ticks, mites, and many more organisms. The order, Araneae, is comprised of spiders. How do spiders and arachnids compare? While spiders and arachnids have many mutual traits, spiders differ in some key categories.
All arachnids have similar anatomies, one of the most common traits being the number of appendages. Arachnids develop with eight legs. However, some species of arachnids appear to have only six legs because they are sometimes converted for use in their senses. Since all arachnids have eight legs, they are easily distinguishable from insects, which have six legs. Arachnids also possess two other pairs of appendages that have evolved to help their feeding, defense, and senses. The chelicerae, the first pair of appendages, serve in feeding and defense from predators. The next pair of appendages is named the pedipalps. These appendages have been adapted for such uses as eating and digestion, to move or travel, and for reproductive functions. However, there are slight differences between some types of arachnids. For example, the order Solifugae is a branch of arachnids and encompasses over 1,000 described species. The appendages of Solifugae appear leg-like and therefore these animals appear to have five pairs of legs. The larvae of mites and Ricinulei have only six legs; the fourth pair appears when the...


... middle of paper ...


...ds and Scorpions often fight despite they are similar organisms. The entire order has much in common with all arachnids but also differ in some key categories.

Works Cited
Beccaloni, J. (2009). Arachnids. Berkeley and Los Angeles, California: University
of California Press.
Evans, A.V. (2007). National Wildlife Federation Field Guide to Insects and
Spiders & Related Species of North America (National Wildlife Field Guide). New York; Sterling.
Foelix, R.F. (1996). Biology of Spiders, 2nd Edition (2 ed.). New York: Oxford University Press, USA.
Frost Gordor, Pam. "Scientists Believe Ancient Arachnids May Have Spun Silk
Like Modern Spiders." OSU Research News Index Page. N.p., n.d. Web. 1
Mar. 2010. .
Hayashi, C. (2010, February 3). Researching spider silks (Lecture). Iolani School.
Honolulu, HI.

Need Writing Help?

Get feedback on grammar, clarity, concision and logic instantly.

Check your paper »

The Thirties and the Sixties: So Different Yet so Similar Essay

- The Thirties and the Sixties: So Different Yet so Similar It seems impossible that I have lived through so many decades. I have lived through decades from the thirties to the sixties, and there are many similarities between the two decades. In both decades democrats gained control in the political arena. Both decades were a time of rapid change, socially, economically, politically, and culturally. The population in the United States greatly increased by about fifty-four million people between the thirties and the sixties....   [tags: U.S. History]

Strong Essays
1766 words (5 pages)

The Black Widow Spider Essay example

- Black Widow Spider Classification The spider is a wide known organism with a wide influence on life. The black widow spider is just one of over 30,000 types of spiders. Black Widow is a common name for the spider which is classified scientifically as K: Animalia, P: Arthropoda, C: Arachnida, O: Araneae, F: Theridiidae, G:Latrodectus, S: mactans. The species name mactans specifies the southern black widow spider. There are 31 different species from the genus Latrodectus. This genus is commonly referred to as widow spiders....   [tags: biology, entomology, arachnids]

Strong Essays
1914 words (5.5 pages)

Bernarda Alba And Medea: Created Millenia Apart, Yet So Similar Essay

- Most people would define a great female protagonist as intelligent, strong minded and willing to fight for what she believes in. Both Bernarda Alba from Federico Garcia Lorca’s The House of Bernarda Alba and Medea by Euripides fit this description. One is a tyrannical mother who imposes her choices on her five daughters, the other is arguably the strongest non-Olympian woman in all of Greek mythology. If we take a closer look, we notice that these two characters have many things in common. From their positions of strength, to the masculine aspects of their personalities; from the way they deal with situations to the part they play in the deaths of their children....   [tags: House Of Bernarda Alba Federico Garcia Lorca Medea]

Free Essays
1597 words (4.6 pages)

Essay on Afganistan and Iran Are So Similar and Yet So Different

- When two nations are so similar within their languages, ethnicities, cultures, restrictions, religions and many other facets, it is hard to say what is different about the two. However, with both Afghanistan and Iran, what got them to where they are both at today is due to their differences within their history. For Afghanistan, the first important aspect in history is back in 1878 with a treaty that gives Britain control of all Afghan foreign affairs. It was not until 1919 when Afghanistan gained independence from Britain and began on their own....   [tags: nationalism, culture, religion]

Strong Essays
1541 words (4.4 pages)

Black Widow Spiders Essay

- Adult black widow spiders have a shiny, black, rounded, circular abdomen and are about 1/3 inch long (about 1-1/2 inches when their legs are spread). Adult spiders have two reddish or yellowish triangles on their bottom which looks like an hourglass marking, and their body color is dark colored usually black or sometimes dark brown. They are usually recognized because of their red or red-orange hourglass design on the bottom of their abdomen. This pattern is changeable and may look like two separated spots....   [tags: Biology Biological Spiders Research Spider Essays]

Free Essays
2385 words (6.8 pages)

Essay on Spiders

- Spiders Spiders can be found in all environments throughout the entire world, except in the air and sea. (Biology of Spiders, R.Foelix) These invertebrates of the order Aranea are one of the several groups of the Class Arachnida, with about thirty four thousand species. They range in body size from only a few millimeters in length to almost five inches. All are carniverous and have four pair of walking legs, one pair of pedipalps, and one pair of chelicerae. (Spiders, W.Shear) Each chelicerae consists of a base and a fang....   [tags: science]

Strong Essays
1896 words (5.4 pages)

Toxic Animals: The world of Spiders Essay

- 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....   [tags: morphology, poison, bite]

Strong Essays
1170 words (3.3 pages)

Inevitable Grief in Not Yet, Jayette Essay

- Inevitable Grief in Not Yet, Jayette In the short story "Not Yet, Jayette" by William Boyd, Charlie, the narrator and main character, describes a day in his life, and tries to understand, what is going on with him, and where and when his life took a turn towards misery. He states: "It seems to me that everybody in their life is at least two people. Once when you're a child, and once when you're an adult. It's the saddest thing." We will now try to see how this statement relates to his life, and whether or not this phenomenon can be said to be symptomatic for our culture....   [tags: Not Yet Jayette Essays]

Free Essays
736 words (2.1 pages)

Spiders Essay

- Spiders My essay is on spiders. I have chosen a few spiders to report about. I also have some basic info about spiders in general. Spiders comprise a large, widespread group of carnivorous arthropods. They have eight legs, can produce silk, and usually have poison glands associated with fangs. More than 30,000 species of spiders are found on every continent except Antarctica in almost every kind of terrestrial habitat and a few aquatic ones as well. Spiders range in body size from about 0.5 mm (0.02 in) to 9 cm (3.5 in)....   [tags: essays research papers]

Strong Essays
614 words (1.8 pages)

Analysis of Countee Cullens Yet Do I Marvel Essay

- Analysis of Countee Cullens Yet Do I Marvel Poetry is often meant to be smooth, flowing, pleasing to the ear and the mind. To achieve this effect, many poets use different poetic techniques to help convey the meanings of their poetry. In the sonnet, 'Yet Do I Marvel' written by Countee Cullen, many different features of poetry is used. In this essay, I will discuss the relationship between the meanings and the theme Cullen tries to convey in his sonnet and the techniques of metaphors, both religious and non-religious, allusions to Greek mythology, different rhyme schemes and repetition that he uses....   [tags: Countee Cullen Yet Do I Marvel Essays]

Strong Essays
1186 words (3.4 pages)