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The Four Stages Of Monarch Butterflies And Climate Change

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Monarch Butterflies and Climate Change In 2002, the monarch population declined by 95 percent because of a storm in Mexico. That was a very extreme and unusual weather event. That was followed by cold temperatures, so that contact of precipitation and cold just killed all the butterflies.
BACKGROUND INFORMATION Monarch butterflies embark on a marvelous migratory phenomenon. They travel between 1,200 and 2,800 miles or more from the United States and Canada to central Mexican forests. Their the butterflies hibernate in the mountain forests, where a less extreme climate provides them a better chance to survive. The four stages of the monarch butterfly life cycle are the egg, the larvae (caterpillar), the pupa (chrysalis), and the adult butterfly. The four generations are actually four different butterflies going through these four stages during one year until it is time to start over again with stage one and generation one. Monarch butterflies are not able to survive the cold winters in most of the United States so they migrate south and west each autumn to escape the cold weather. The monarch migration usually starts in about October of each year, but can start earlier if the weather turns colder sooner than that.
PROBLEM
The iconic and beloved North American monarch butterfly is one of the species that has difficulty adjusting to our new climate-stressed world. One of the major causes of climate change is humans, we are constantly polluting the air, and where are

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