create real life in the lab. The goal was to simulate the earliest organism in existence. Theories for the origin of life has been around since the beginning of civilization. However‚ It was Charles Darwin who first introduced a biologically possible theory that is still intact today. Darwin suggested that life grew in a "warm little pond" of organic chemicals that‚ over a long period of time‚ gave life to the first organisms. As this theory evolved‚ the pond became an ocean. In a breakthrough
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is the biological process by which new individual organisms are produced. Reproduction is a fundamental feature of all known life; each individual organism exists as the result of reproduction. During reproduction‚ new offspring individual organisms are produced from their parents. How reproduction works? Good question! It is said that reproduction can either be asexual or sexual. First of all‚ when an organism reproduces asexually‚ that organism creates a genetically similar or identical copy of
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Synopsis – Grade 8 Science Chapter 1: Crop Production And Management Crop: Same kinds of plants cultivated on a large scale Types Kharif crops Rabi crops Season Sown in rainy season (June to September). grown during winter season (October to March) Examples soyabean‚ paddy‚ maize wheat‚ gram‚ pea Basic crop production practices Practices Preparation of soil Sowing Process Loosening and upturning of the soil. This process is known as tilling or ploughing. Placing
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to life on land. As you can imagine‚ both organisms had challenges moving from this single cellular water environment to a multi-cellular land environment. While the change was difficult‚ this new environment would help organisms flourish in life‚ giving them the ability to reproduce more freely‚ and eat with less competition in their habitat. With moving‚ animals had to learn to adapt to their new environments. With the help of evolution‚ these organisms had to deal with a change in structural support
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Scientific Method: 1) What is the scientific method? The scientific method is a way to ask and answer scientific questions by making observations and doing experiments. 2) What are the steps of the scientific method? Ask a Question‚ Do Research‚ Hypothesis‚ Test Your Hypothesis by Doing an Experiment‚ Analyze Your Data‚ Draw a Conclusion‚ And Communicate Your Results. 3) Why do scientists use the scientific method? What are the benefits of using it? Scientists use this method to have a formula
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Astronomy Research and the Search of Extraterrestrial Life Paper Megan Lade University of Phoenix (Online Campus) Christopher Conner All life on this planet is linked to the geology of Earth‚ and vice versa – we (all organisms) are supposed to be living in a symbiotic relationship with our world. When Earth was developing deep within its curst began the first traces of raw materials and minerals that would fuel life for many years to come. We adapt and change to our ever
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There is no single problem of personal identity‚ but rather a wide range of loosely connected questions. Here are the most familiar ones: Who am I? We often speak of one’s “personal identity” as what makes one the person one is. Your identity in this sense consists roughly of what makes you unique as an individual and different from others. Or it is the way you see or define yourself‚ or the network of values and convictions that structure your life. This individual identity is a property (or
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Endangered Animals Humans are destructive. Not a lot of us think about how what we do affects the world around us. We almost act like we are the only ones on this planet. We go around polluting and destroying our world with no regard for our actions. The things that live out in the wild are paying the price for it. Every day that passes there is another animal or plant that is placed on an endangered list. This is happening at an alarming rate. Because of man’s desire to expand and conquer their
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Structure 1 and function b. Structure 2 and function c.Structure 3 and function d.Structure 4 and function e.Structure 5 and function 3.The student is observing a single-celled organism under a microscope and notice that it has a nucleus and is covered in small‚ hair-like structures. a.Provide a probable name for this organism (1 point) b.Explain why the student came to this conclusion. (2 points) 4.Where in the cell are the chloroplasts located? (5 points) 5.In the Spirogyra cells that you observed
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a pollutant as "the occurrence of toxic substances or energy in a larger quality then the ecological communities or particular species can tolerate without suffering measurable detriment" (Freeman‚ 562). Although the effects of a pollutant on an organism vary depending on the dose and duration (how long administered). The impact can be one of sublethality to lethality‚ all dependent upon the factors involved. These factors need to be looked at when determining an ecosystem ’s disturbance by a pollutant
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