Butterflys Evolution Essay

974 words - 4 pages

Butterflies are established all over the world and in all sorts of environments: cold and hot, moist and dry, high in the mountains and at sea level. The largest parts of butterfly species are found in tropical areas, in particular tropical rainforests. There is a variety of sizes butterflies come in. The worlds smallest known butterflies, the blue pygmy found in southern California, has a wing span of just over half an inch. The largest species, New Guinea’s QueenAlexandras birdwing, can measure up from wingtip to wingtip up to twelve inches. Lots of butterflies migrate in order to stay away from any unfavorable environmental conditions like cold weather. Butterfly migration is not well understood. Most migrate somewhat short distances like the Common Buckeye the Painted Lady, and the Red Admiral but a few like some Monarchs migrate thousands of miles.
As highly developed insects, butterflies and moths have a complete life cycle. When stating a complete life cycle or life span this represents that there are four separate stages. Each of every life span looks absolutely different. It also provides a diverse function in the life of the insect. Butterflies' most important structural adaptation is found in their wings and how butterflies and moths utilize them to cover up themselves. The wings of many butterflies have evolved to imitate their surroundings; a particularly good example is with the green hairstreak. These butterflies have wings that are shaped and colored to appear precisely just like the leaves where the butterfly is found on; implicating that it is extremely more difficult for predators to find.
A lot of butterflies have developed eye spots on their wings. These eye spots provide the butterfly the facade of a much bigger species, scaring off any potential predators when their wings flash open. In the same way, the viceroy butterfly purposely copies the outer shell of the monarch butterfly, which has developed to be lethal to consume. Therefore, predators are unenthusiastic from killing on both species. Butterflies need to warm their wings up before taking off meaning they are cold-blooded creatures. The butterfly can basically fold up its wings if it gets too hot. Every fourth generation of monarch is found in Mexico. Scientists such as Carol L. Boggs (2003) et al. illustrate how the monarchs make use of their antennae to perceive the basic level of light around them. This allows them to tell the time of day depending on how much light they can see, and this in turn allows them to stay on target (L. Boggs et al, 2003, p. 04-05).
The average lifespan for an adult butterfly is 20 to 40 days. Some butterflies may live up to six months; others live no longer than three or four days. “Butterflies have lapping mouthparts, which means that their mouthparts feature a long, thin appendage used much like a drinking straw( Haddley, 2013, para 1)”. Butterflies have built up...

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