The 4 Stages of the Ladybug Life Cycle

The 4 Stages of the Ladybug Life Cycle Ladybugs go by several other names: lady beetles, ladybug beetles, and ladybird beetles. Regardless of what you call them, these beetles belong to the family Coccinellidae. All ladybugs progress through a four-stage life cycle known as complete metamorphosis. Embryonic Stage (Eggs) Wilfried Martin / Getty Images The ladybug life cycle begins with an egg. Once she has mated, the female ladybug lays a cluster of 10 to 50 eggs. Usually, shell deposit her eggs on a plant with suitable prey for her offspring to eat when they hatch; aphids are a favorite food. Between spring and early summer, a single female ladybug may produce up to 1,000 eggs. Scientists believe ladybugs lay both fertile and infertile eggs in the cluster. When aphids are in limited supply, the newly hatched larvae will feed on the infertile eggs. Larval Stage (Larvae) Pavel Sporish / Getty Images In about four days, the ladybug larvae emerge from their eggs. Species and environmental variables (such as temperature) may shorten or lengthen this time frame. Ladybug larvae look somewhat like tiny alligators, with elongate bodies and bumpy exoskeletons. In many species, the ladybug larvae are black with brightly colored spots or bands. In the larval stage, ladybugs feed voraciously. A single larva can consume dozens of aphids per day. Larvae feed on other soft-bodied plant pests as well, including scale insects, adelgids, mites, and insect eggs. Ladybug larvae dont discriminate when feeding, and will sometimes eat ladybug eggs, too. The newly hatched larva is in its first instar (a developmental stage that occurs between molts). It feeds until it grows too big for its cuticle (soft shell), at which time it will molt. After molting, the larva is in the second instar. Ladybug larvae usually molt through four instars, or larval stages, before preparing to pupate. The larva will attach itself to a leaf or other surface when it is ready to pupate (metamorphose into its adult form). Pupal Stage (Pupae) Pavel Sporish / Getty Images In its pupal stage, the ladybug is usually yellow or orange with black markings. The pupa remains still, attached to a leaf, throughout this stage. The ladybugs body undergoes a remarkable transformation, directed by special cells called histoblasts. The histoblasts control a biochemical process through which the larval body is broken down and reformed into the adult ladybug. Depending on the species and environmental variables such as temperature, the pupal stage may last 3 to 12 days. Imaginal Stage (Adult Beetles) Jà ¶rg Mikus / EyeEm / Getty Images Newly emerged adults, or imagos, have soft exoskeletons, making them vulnerable to predators until their cuticles harden. They also appear pale and yellow when they first emerge, but soon develop the deep, bright colors for which ladybugs are known. Adult ladybugs feed on soft-bodied insects, just as their larvae do. Adults overwinter, usually hibernating in aggregations. They mate soon after becoming active again in the spring. How to Find Ladybug Eggs and Larvae If you have a garden plant that is prone to aphid infestations, you have access to prime ladybug habitat. If you want to familiarize yourself with the ladybug life cycle, visit this plant daily. Take your time examining the leaves, lifting them to observe the undersides, and youll likely find a cluster of bright yellow eggs.  Within a few days, tiny ladybug larvae will hatch, and youll find the odd-looking immature ladybugs on the prowl for aphids. Later, youll see dome-shaped pupae, shiny and orange. If aphids are abundant, adult lady beetles will hang around, too.

Failure of Chinas Cultural Revolution Essay Example | Topics and Well Written Essays - 2750 words

Failure of Chinas Cultural Revolution - Essay Example The Red Guards generation benefited from neither Maoist socialism nor Dengist reform. Mao's revolution abandoned them, sweeping them out of urban centers; Deng's reform left them on the sidelines when China moved to embrace the market. In Mao's era, the Red Guards generation was the poorest of all poor Chinese, living at the lowest income level. This poverty impeded they are exploiting the opportunities of Deng's reforms. The increasing costs of economic reform often started with them, further diminishing their capacity for competing in the market. Mao's revolution made them poor, forcing them to live a terrible life without economic liberty or any chance of improvement. It was even more painful when Deng's reform left them poor while Deng's regime glorified the rich (Tsou, 1996). Ever since they had been forced into society, they had been living on an income that only kept body and soul together. For those in the cities, working life began with an apprenticeship in factories, at 18 Yuan a month. When Deng's reform began, they had climbed to the second lowest grade of China's eight-grade salary system for workers, having a monthly salary of less than 40 Yuan. In the 1970s and early 1980s, this salary allowed them some small savings, but it often took them 1 or 2 years before they could buy a Shanghai-produced watch or bicycle, each priced at around 150 Yuan. Of those who went to the countryside, a minority was assigned to the military-imitated 'farming corps'. (Dutton, 2004)They first lived on a monthly subsidy of about 15 Yuan and later, when they had to pay for their own food, on a stipend system with '285 dimes' a month, as one sent-down youth mocked it. The majority had been forced into the villages and lived on a 'points system'  Ã‚  of people's communes. If a sent-down youth became a ten-points laborer (the highest rank), his (or her) 1-day work in most areas was valued at 30-50 cents on the village's account. If he worked over 330 days, at the end of t he year he might get 40-60 Yuan after the deduction of the costs of the grain and other agricultural products he had received during the year. In a few areas ten-points a day was worth over 1 Yuan, but in many areas ten-points a day was worth 20, 10 or only 7 cents. Even worse, the sent-down youths were often not regarded as ten-points laborers. (Yang, 1997) Those in the cities were among the poorest because they were at the bottom of the urban salary ladder that was framed on seniority. Those in the 'farming corps' were among the poorest because they were treated as the lowest ranked 'farming soldiers' (bingtuan Shashi), while others in their 'corps' were either 'farming officers' or 'farming workers', living on a slightly higher salary.

EM670 Week 1 Conf Assignment Example | Topics and Well Written Essays - 500 words

EM670 Week 1 Conf - Assignment Example Again, this is because the positions are at a point where the holder will have to provide leadership to other people who are below them. The other common trait among the jobs was the coordination skills of the holder. This shows that the positions will require the holder to have good coordination skills to be able to carry out the functions of the office that the holder is managing. Together with this trait, the jobs also required that the aspiring candidate be able to have very good independent decision making skills that will make it possible for the person to make sound and strategic decisions alone, without having to consult all the time. This trait and that of coordination skills seemed to complement each other in that they both have to be there for each to benefit the job holder. According to Jacobson (2001), it is important to match traits and skill because having the right trait may not automatically mean that the person will manage the job. The skills required for the jobs were also common in that they all revolved around the management of human resource. However, for the different counties, job descriptions differed in terms of the level at which the candidates skills in personnel management were. For instance, some of the job descriptions in other places required that the aspiring job holder will have to have skills at the executive level while others required the skill to be at the management and operational level such as recruitment. The other common trait between the job descriptions is development of policies and procedures. The job descriptions all seemed to have this skill as a central requirement for the candidates who will hold the position. This means that all EM jobs may need a person who not only has the ability to conceptualize ideas and policies, but whose knowledge of federal law and regulations are very high (James, 2006). This is because policy development is very much dependent on this knowledge of federal laws

How to Be a Better Writer Essay Example | Topics and Well Written Essays - 250 words

How to Be a Better Writer - Essay Example To become a better writer, a person should adopt a regular habit of writing. One should follow a routine of trying to write done at least a paragraph every day. The ability of writing can further be enhanced if a person gets his writings checked by someone who has more knowledge and expertise in the field. This will assist the writer to know his faults and correct them in future work. A person can also meet professional writers and take their guidance and learn from their experiences.To become a better writer, a person should adopt a regular habit of writing. One should follow a routine of trying to write done at least a paragraph every day. The ability of writing can further be enhanced if a person gets his writings checked by someone who has more knowledge and expertise in the field. This will assist the writer to know his faults and correct them in future work. A person can also meet professional writers and take their guidance and learn from their experiences. Reading can also pr ove to be very beneficial for the writer and assist him in developing better writing skills. This is because in this way a writer can go through different ways of writing and understand the way of which he is the most comfortable. Vocabulary is also an essential part of writing as it enhances the pool of words which the writer can use in his writing.  

Essay --

Losing weight requires a gradual approach and maintainable lifestyle changes. Although metabolism slows down with age, it's not impossible to lose weight after the age of 50. A healthy diet and regular exercise can do the trick. The latter stimulates muscle tissue, giving your metabolism that much-needed boost so you burn calories and lose weight. You'll look and feel better, and reduce your risk of age-related health conditions, such as Alzheimer’s disease and osteoporosis. (See References 1) Create a Caloric Deficit When you're over the age of 50, a daily deficit of 500 calories is sufficient to lose weight at a rate of 1 pound a week without sacrificing essential nutrients. (See References 2) This deficit can come from calories burned through exercise, or from calories reduced from food. Depending on your physical activity level, Helpguide.org recommends that older females generally consume anywhere from 1,200 to 1600 calories a day, and older males consume between 2,000 and 2,800 calories a day. The more active your are, the more calories you can consume. (See References 3) Eat Healthy Foods In addition to helping you lose weight, a sensible diet keeps your body healthy and your mind sharp. Avoid skipping meals, and eat smaller portions consisting of the basic food groups; include complex carbs and fiber from veggies, fruits, and whole grains; consume protein from sources, such as fish, beans, and nuts; and consume low-fat dairy products, such as milk, cheese and yogurt, to get the daily needed 1,200 mg of calcium. (See References 3) Salt, sugar, and simple carbs, such as white bread and white rice, should be limited. Also, consider taking a multivitamin or eating fortified foods to get vitamin B and vitamin D. (See Refere... ... you can't do another repetition with good form after finishing a set. (See References 5) Key Concepts senior weight loss reducing body weight healthy weight loss References Helpguide.org: Exercise and Fitness Over 50 [http://www.helpguide.org/life/senior_fitness_sports.htm] Oklahoma Cooperative Extension Service: Nutrition for Older Adults: Diet and Health Guidelines For Weight Loss [http://fcs.okstate.edu/documents/nutrition/T-3200%20Large%20Print%20Weight%20Management.pdf] Helpguide.org: Eating Well Over 50 [http://www.helpguide.org/life/senior_nutrition.htm] Weight-Control Information Network: Young at Heart [http://win.niddk.nih.gov/publications/young_heart.htm] Centers for Disease Control and Prevention: Growing Stronger: Strenghth Training for Older Adults [http://www.cdc.gov/physicalactivity/downloads/growing_stronger.pdf] Essay -- Losing weight requires a gradual approach and maintainable lifestyle changes. Although metabolism slows down with age, it's not impossible to lose weight after the age of 50. A healthy diet and regular exercise can do the trick. The latter stimulates muscle tissue, giving your metabolism that much-needed boost so you burn calories and lose weight. You'll look and feel better, and reduce your risk of age-related health conditions, such as Alzheimer’s disease and osteoporosis. (See References 1) Create a Caloric Deficit When you're over the age of 50, a daily deficit of 500 calories is sufficient to lose weight at a rate of 1 pound a week without sacrificing essential nutrients. (See References 2) This deficit can come from calories burned through exercise, or from calories reduced from food. Depending on your physical activity level, Helpguide.org recommends that older females generally consume anywhere from 1,200 to 1600 calories a day, and older males consume between 2,000 and 2,800 calories a day. The more active your are, the more calories you can consume. (See References 3) Eat Healthy Foods In addition to helping you lose weight, a sensible diet keeps your body healthy and your mind sharp. Avoid skipping meals, and eat smaller portions consisting of the basic food groups; include complex carbs and fiber from veggies, fruits, and whole grains; consume protein from sources, such as fish, beans, and nuts; and consume low-fat dairy products, such as milk, cheese and yogurt, to get the daily needed 1,200 mg of calcium. (See References 3) Salt, sugar, and simple carbs, such as white bread and white rice, should be limited. Also, consider taking a multivitamin or eating fortified foods to get vitamin B and vitamin D. (See Refere... ... you can't do another repetition with good form after finishing a set. (See References 5) Key Concepts senior weight loss reducing body weight healthy weight loss References Helpguide.org: Exercise and Fitness Over 50 [http://www.helpguide.org/life/senior_fitness_sports.htm] Oklahoma Cooperative Extension Service: Nutrition for Older Adults: Diet and Health Guidelines For Weight Loss [http://fcs.okstate.edu/documents/nutrition/T-3200%20Large%20Print%20Weight%20Management.pdf] Helpguide.org: Eating Well Over 50 [http://www.helpguide.org/life/senior_nutrition.htm] Weight-Control Information Network: Young at Heart [http://win.niddk.nih.gov/publications/young_heart.htm] Centers for Disease Control and Prevention: Growing Stronger: Strenghth Training for Older Adults [http://www.cdc.gov/physicalactivity/downloads/growing_stronger.pdf]

Teenagers & Unprotected Sex

Shavado  Smith English 017 Teenagers  &  Unprotected Sex In a hyper-sexualized  society that  continues to thrive as each day passes, the thought of unprotected sex has lost the shock value it once possessed. It is now considered normal to hear teenagers bragging about not only their conquests but the unprotected sex they are having. â€Å"She let me go in raw† or â€Å"I told him not to use a condom† are just a couple of the phrases one can hear when listening to these conversations.Unprotected sex  as it relates to teenagers  has become a big problem in the world today  for  two main reasons which are  lack  of education  and  lack of  concern. Many are simply unaware of all the choices available in regards to protection for safe sex. There are vast options for both males and females that allow them to engage in healthy, safe sex. As a result of unprotected sex, there are increasing numbers of unplanned pregnancies and increased  frequenc y  of sexually transmitted diseases (STDs) among teenagers.Lack of education is the primary cause of unprotected sex among teenagers. Not receiving adequate education  can be the fault of  both the  parents  and  the individual. Teenagers  often receive flawed information about safe sex from popular culture and their peers but almost always never from credible sources such as their parents, or the counseling department of their school. These misguided, ignorant teens then make poor decisions that can have detrimental, long-lasting effects on their lives.I have a friend who became a mother at the tender age of 17 because she was having unprotected sex; the reason she was having unprotected sex was because she thought that the â€Å"pull out† method (which is when the male ‘pulls out’ out of the vagina before ejaculation) would work. She was unaware to the fact that no doctor considers this method to be very effective because semen can leak out of the tip of the penis. Consequently, her decision to have unprotected sex led to her having to unnecessarily take on an adult responsibility.Another factor that results in unprotected sex is unpreparedness; some  teenagers  are aware of unprotected sex, its  lethal  effects and what should be done to avoid these effects but do not take the necessary steps to avoid these problems. Sometimes it is because they are irresponsible, but it can also occur when they act in the moment and take a chance, risking their lives and that of their partner. Statistics have proven that more than half of sexually active teenagers have participated in  sexual activity even though they were unprepared to have safe sex.Nonchalance towards this  serious matter is a reason why so many teenagers are not being responsible and having safe sex. The predominant effects of unprotected sex by teenagers are unplanned pregnancies and an increased risk of being a victim of a sexually transmitted disease. An unplanned pregnancy has an explicit correlation to unprotected sex. According to an article Teenhelp. com statistics show that our ‘neighbor’,  the United States of America, has approximately 820,000 teenagers become  pregnant each year with 80% of them being unintended pregnancies.In simpler terms, a little over 650,000 pregnancies are unplanned, a direct result of unprotected sex(Author Unknown). Another effect of unprotected sex is the increase number of cases with sexually transmitted diseases. Failure to have safe sex can leaves teenagers prone to STDs such as gonorrhea, chlamydia and syphilis. Unfortunately, some can even contract the deadly human immunodeficiency virus (HIV) which causes acquired immunodeficiency syndrome (AIDS). Many teenagers escape this horrible fate but come into contact with at least one STD if they are having unprotected sex.Furthermore, contrary to popular belief, STDs can be contracted without penetration of the vagina by the penis. T his fact  lends to the cause of unprotected sex which is ignorance. Many teenagers are unaware of this fact and believe that they cannot contract STDs through other types of sex such oral or anal, however this not true. STDs can be  transmitted through sexual activity that involves the vagina, the penis, the anus and  the mouth. It is clear that there are direct correlations between the causes and effects of unprotected sex among teenagers.Statistics, professional opinion  and personal experience all support this statement. Teenagers who lack proper sexual education are more likely to experience these effects than those who are educated. The same applies for teenagers who are more concerned about their sexual well-being; if they take the necessary steps to ensure they always have safe sex or at the very least, limit the number of times they have unprotected sex, their chances of experiencing the effects of unprotected sex are decreased.It is my belief that failure to expose teenagers to more sex education in schools and at home will only compound the current problem. Teenagers should be comfortable to ask sex-related questions because sexual intercourse is a natural occurrence that can be wonderful and have no repercussions when handled properly and maturely. Unprotected sex among teenagers is an epidemic that is becoming a global problem. There is not a country that is not dealing with teenagers becoming not only sexually active at a young age, but also being uneducated and unprepared.The causes and effects of unprotected sex among teenagers is a problem that must be dealt with and swiftly! When will we begin to take this on growing pandemonium seriously? We currently have an abundance of adolescents and pre-teens that are  having unprotected sex and becoming mothers/fathers and/or being infected from STDs? I can only hope that the causes of unprotected sex among teenagers are taken more seriously and precautions are  taken so that one day we will be able to live in a world free of â€Å"mistakes† which is in correlation with unplanned pregnancies and contracting STI’s.

Hh Holmes - 2569 Words

H. H. Holmes A. Introduction: On May 16, 1861 Herman Webster Mudgett was born. His home town was Gilmanton, New Hampshire and he soon would become the notorious Dr. H.H. Holmes, Americas’ first Serial Killer. He was a small white male born into a devout Methodist family. Holmes’ mother Theodate Page Price forced strict religious studies while his father, Levi Horton Mudgett handed out the harsh, strong discipline. Holmes had one brother and sister. B. Intelligence, Social achievement, social adjustment in school: Holmes was thought to be unusually intelligent at an early age. With his great ambition and drive he excelled in school. He attended Gilmanton Acade3my High School, University of Vermont for one year, and in 1882†¦show more content†¦He was very charming and very attractive so he had no problems with he ladies. He always wore a hat and tie and came across as a well like, trusted businessman. I. Pathological behavior characteristics: H.H. Holmes’ pathological problems started at the age of eight with him starting to lie. His lies and scams grew along with his age and by the age of 25 he changed his name to H.H. Holmes to elude accusations from those he lied to and scammed. He continued to con and manipulate using his trusting looks and medical degree swindling thousands of dollars from insurance companies by taking cadavers from medical school, taking insurance policies out on them and telling the insurance that he was a family member to collect the money. Holmes was such a pathological liar and has given so many accounts about the number of people he has killed that to this day the true number is unknown. He always needed stimulation and a proneness to boredom, and was conning and very manipulative. He had numerous wives and had promiscuous sexual behavior by having several mistresses. J. Geographic Profiling: Holmes was considered to be a geographically transient serial killer. He moved from state to state killing in almost each one. He would move through the states because this was his way to elude capture or being suspected of the crimes he committed. After he changed his name in 1886 he settledShow MoreRelatedH.H. Holmes. After The Industrial Revolution Fabricated1593 Words   |  7 PagesH. Holmes After the Industrial Revolution fabricated society for nineteenth century America, many families were moving to the cities for new opportunities. Immigrants found a niche in society and life was beginning to flourish and build the nation into what it’s citizens know it as today. However, while most of the country was settling down, a man by the name of Herman Webster Mudgett, otherwise known as HH Holmes, had a different approximation of why he should move to the city. HH Holmes wasRead MoreThe Biological Causes For Serial Killers2877 Words   |  12 Pages )’. The first well known serial killer in the United States was H.H. Holmes in 1893. 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