Discuss the role of negative feedback in living organisms and how it benefits these living organisms? (25 marks) Negative feedback is the process by which changes occur to bring an organism’s internal environment back to the normal level. One example of negative feedback in a living organism is the ways humans regulate their blood glucose levels. I will firstly discuss the processes that occur as a result of blood glucose levels being too low. When blood glucose levels are too low the pancreas
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There were three main causes of the American Revolution. The Boston Massacre‚ the Boston Tea Party‚ and the Intolerable Acts. These events all led up to the Revolution. Colonists rebelled against the British because of their anger with the King and fought against it. It was a very big event in our history which led to us gaining more freedoms and establishing ourselves as the United States of America. To begin with‚ there was the Boston Massacre. This was basically the first shots fired in the Revolutionary
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Once you put all of your company’s products into their respective categories‚ you then consider these rules: 1. Stars: invest your marketing dollars in these since they could become dominant market leaders 2. Cash Cows: milk these to provide the cash to invest in your stars and a few question marks 3. Question Marks: invest in the most promising of these as well — but only a few 4. Dogs: cut the leash and let these go to the highest bidder for some much needed cash To illustrate‚ imagine
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Make-up test study guide Test 1: 1. 3 categories of natural sciences a. biology: microbiology b. physical: chemistry c. applied: medicine 2. relevant steps to scientific method a. observation b. hypothesis c. experimentation d. conclusion e. extra: theory 3. Science: objective‚ testable‚ fact; non-science: subjective‚ untestable‚ opinions 4. Life is is a characteristic that distinguishes objects that have signaling and self-sustaining processes from those that do not‚ a. Characteristics:
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P1 Describe the structure and organisation of the retail sector M1 Compare the function of formats and locations in retailing 1. Retailing Defined “The sale of goods to ultimate consumers‚ usually in small quantities” Source: www.dictionary.reference.com “The activities involved in the selling of goods to ultimate consumers for personal or household consumption” Source: www.merriam-webster.com Retailing is the selling of goods directly to the consumers; this can be achieved in many locations
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A Balanced Ecosystem - An Aquarium The term ecosystem describes both the living and non-living components of an area that interact with one another. All the components are inter-dependant in some way with each other. An ecosystem may be aquatic or terrestrial. In an aquatic ecosystem rocks are needed for shelter and plants provide oxygen for fish. An ecosystem is balanced when the natural animals and plants and non-living components are in harmony- i.e. there is nothing to disturb the balance.
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Name Class Date 8.1 Energy and Life Lesson Objectives Describe the role of ATP in cellular activities. Explain where plants get the energy they need to produce food. Lesson Summary Chemical Energy and ATP Energy is the ability to do work. Organisms need energy to stay alive. Adenosine triphosphate (ATP) is a chemical compound cells use to store and release energy. An ATP molecule consists of adenine‚ the sugar ribose‚ and three phosphate groups. Cells store energy by adding a
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. Describe what your role‚ responsibilities and boundaries would be as a teacher in terms of the teaching/training cycle. Recommended word count: 300-500 words. The teaching / training cycle is a simple way of looking at all the aspects of teaching and how they are evaluated using five stages; Identifying needs‚ Planning learning‚ Enabling learning‚ Assessing learning‚ Quality assurance and evaluation. Each of the five stages listed above flow from one to the other. The cycle is
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philosophy: the value of specific things are an integral part of the human brain is everything in the world is divided into two major categories of useful and harmful‚ from the two major types of specific things in the abstract thinking by the absolute abstract things or meta body‚ is the world The interaction with all things in general‚ the interrelated nature and capacity of each specific things that have the universal nature and provisions. Is the value of specific things with the general provisions
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of your favorite makeup products don’t come with an expiry date? You might feel elated that you can use your makeup products‚ especially your favorite lipsticks life long‚ but the harsh truth is that after a period of time you have to discard them from your vanity bag. Ok why cosmetic companies don’t print an expiry date is because makeup shelf life depends upon when the product is first open‚ or how you store it. Most of the products would have PAO symbol- Period After Opening symbol‚ which tell
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