FOR CASE STUDY TEACHING IN SCIENCE An Unusual Case of Animal Reproduction by Joann B. Powell Department of Biological Sciences Clark Atlanta University‚ Atlanta‚ GA Elethia W. Tillman Department of Biology Spelman College‚ Atlanta‚ GA Part I – Andrea Smith’s Dilemma Andrea Smith was taking notes for her biology exam. Her professor has told her that the exam would cover‚ in part‚ the differences between sexual and asexual reproduction. As she reviewed her notes and prepared for today’s class‚ she
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CHAPTER 2 SEXUAL REPRODUCTION IN FLOWERING PLANTS 2.1 2.2 2.3 2.4 2.5 Flower – A Fascinating Organ of Angiosperms Pre-fertilisation : Structures and Events Double Fertilisation Post-fertilisation: Structures and Events Apomixis and Polyembryony Are we not lucky that plants reproduce sexually? The myriads of flowers that we enjoy gazing at‚ the scents and the perfumes that we swoon over‚ the rich colours that attract us‚ are all there as an aid to sexual reproduction. Flowers do not exist only
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In the script “Shadows and Sovereigns” author Carolyn Nordstrom is exploring the notion of state as the ultimate authority of security‚ power and social control and how this status is crucial for its economy’s progress‚ locally and internationally. While scrutinizing the state’s power‚ “The Sovereign”‚ she embarks upon the discovery of another hidden non-state power which is equally strong‚ but illegal/illegitimate‚ operate through gigantic trade networks‚ are transnationally spread‚ have profound
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Essay One In The Semi-Sovereign People by E. E. Schattschneider‚ the author makes the argument that non-voting in America is a serious problem. He explains why it is a problem‚ why it happens‚ and what can be done to fix it. One of the ways he explains all three of these is by juxtaposing the election of 1896 and the election of 1932. Schattschneider begins by explaining the different between the pressure system and the party system. The pressure system is made up of public and private interest
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Asexual Reproduction in Animals Group 3 Nina Bansil Kenneth Calabia Josef Franz Cruz I. Introduction Asexual reproduction is reproduction which does not involve meiosis‚ ploidy reduction‚ or fertilization. Only one parent is involved in asexual reproduction. A more stringent definition is agamogenesis which refers to reproduction without the fusion of gametes. Asexual reproduction is the primary form of reproduction for single-celled organisms such as the archaea‚ bacteria‚ and protists
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Reproduction Prostaglandines: DON’T come from the prostate gland. Come from the seminal vesicles. Cause muscle contractions Found in ejaculate Prostate gland Produce enzymes Produces buffers that buffer urine in urethra and the acidic environment in the vagina Contains anticoagulant enzymes that keep the enzymes from coagulating Erectile tissue (aka spongy tissue) has sinuses in it that fill with blood‚ causing the penis to erect Some animals have a bone in their penis called a baculum (not humans)
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for action or inaction. Second‚ that rules of recognition‚ not a sovereign‚ are the foundations of a legal system. Advanced mainly by John Austin‚ the legitimacy Command Theory has become archaic with time as more comprehensive observations about systems of law are made. First‚ Command Theory states that the sovereign is the sole source of law‚ dealing out punishments to people who do not obey the sovereign. Second‚ the sovereign is above the law‚ meaning it can act however it wishes without regard
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Maths C-Rabbits Report In order to calculate a certain term (number of months starting from January) the two previous terms must be known. These are then added together to give the desired month. The table below shows the rabbit’s breeding numbers throughout the whole year. The Mathematical recursive formula that represents this is: Where: Tn= The desired month (January-1‚ February-2‚ March-3‚ and so on) and where Tn>3
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Bobbie Bailey Assisted Reproduction Grand Canyon University HLT 318V December 19‚ 2010 Abstract: In this paper I will discuss the ethical issues surrounding surrogacy‚ egg donation‚ and discuss exploitations of women who choose to become a surrogate mother. In addition to these moral issues I will also explore the ethics and morals of IVF and the implantation of multiple eggs to one subject that may result in multiple births. In the occurrence of multiple births the subject is faced
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Frankenstein and Male Reproduction Mary Shelley ’s character of Dr. Victor Frankenstein in Frankenstein‚ The Modern Prometheus‚ is driven to madness by his envy of women and their ability to reproduce so much so that he tries to reinvent the nature of reproduction without the female with disastrous results. Dr. Frankenstein ’s scientific experiment‚ which produces a deformed‚ human from spare body parts is a commentary on male reproduction and predicts the bioethical consequences of the modern
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