Function of Plant Organs Essay Example for Free

Function of Plant Organs Essay As was noted in the previous chapter, most plant cells are specialized to a greater or lesser degree, and arranged together in tissues. A tissue can be simple or complex depending upon whether it is composed of one or more than one type of cell. Tissues are further arranged or combined into organs that carry out life functions of the organism. Plant organs include the leaf, stem, root, and reproductive structures. The first three are sometimes called the vegetative organs and are the subject of exploration in this chapter. Reproductive organs will be covered in Chapter 5. The relationships of the organs within a plant body to each other remains an unsettled subject within plant morphology. The fundamental question is whether these are truly different structures, or just modifications of one basic structure (Eames, 1936; Esau, 1965). The plant body is an integrated, functional unit, so the division of a plant into organs is largely conceptual, providing a convenient way of approaching plant form and function. A boundary between stem and leaf is particularly difficult to make, so botanists sometimes use the word shoot to refer to the stem and its appendages (Esau, 1965). The Leaf -The plant leaf is an organ whose shape promotes efficient gathering of light for photosynthesis, but the form of the leaf must also be balanced against the fact that most of the loss of water a plant might suffer is going to occur at its leaves. Leaves are extremely variable in details of size, shape, and adornments like hairs. Although the leaves of most plants carry out the same very basic functions, there is nonetheless an amazing variety of leaf sizes, shapes, margin types, forms of attachment, ornamentation (hairs), and even color. Examine the Leaves (forms) page to learn the extensive terminology used to describe this variation. Consider that there are functional reasons for the modifications from a basic type. The Stem The stem arises during development of the embryo as part of the hypocotyl-root axis, at the upper end of which are one or more cotyledons and the shoot primordium. The Root The root is the (typically) underground part of the plant axis specialized for both anchoring the plant and absorbing water and minerals. Root (Follow any links for terms you do not understand and to gain a complete picture of root structural variation) Be sure to read about and understand the meaning of each (at a minimum) of the following terms: adventitious roots, endodermis, epidermis, gravitropism, root cap, root hair, stele, taproot. Most of the material you have read discusses the root organ as found in the angiosperms (flowering plants). However, among the vascular plants, only Psilotales lack such an organ, having i nstead rhizomes that bear hair-like absorbing structures called rhizoids (Eames, 1936 in Esau, 1965).

Guns and Violence Essay -- Social Issues, Crimes

Guns and violence have some long lasting effects on not only the crime rate, but the rights that people have to own guns themselves. Even though the violence is a factor in why many believe that guns should be banned, guns should be allowed and not banned because they should be allowed because of the laws and the rights of citizens allow them there rights. The ethics and laws that occur with the current and enduring debates are another meaningful point. As Supreme Court Cases rage on about how a cities ban on handguns could break amendments, this is how the topic has gained from it (Hoxie 474). As crime statistics begin to rise there are many reasons that they need to work on the juvenile justice system (Collier 478). The other topic of the age could become a factor is another point that many think needs to be changed, as a 13 year old child could commit murder, they would not be sentenced as severely as an adult (Cohen 481). The ethic and laws play a huge effect on guns and violence because of the effects it has on crime, and the citizens themselves play a huge role on the society that they live in. Violence has been connected with guns in today’s society. For this reason a lot of cases have ended up in courts to try to decide what the truth about the second amendment is. As the U.S. Constitution guarantees people the right to bear arms. Not only is this but there debates about this amendment, that look to strike down the law in effect. There have been laws banning the ownership of handguns, which has been an attempt to stop the violence in districts. Many are searching for the correct way to regulate dangerous or potentially dangerous weapons, by doing this they would make the ownership of them illegal (Hoxie 474). But is the... ... that have guns. Even when violence is the factor it is why many believe that guns should be banned, guns should be allowed and not banned because of the rights that citizens have. The ethics and laws can occur with the current debates that get to meaningful points. The Supreme Court Cases continue to bring up how city bans on handguns break amendments, and this is how the topic has picked up from it (Hoxie 474). Crime statistics have risen for many reasons and they will need to work on the idea of a juvenile justice system (Collier 478). The idea of age can become another thing that might need changes, because a 13 year old child could commit murder and they would not be sentenced as severely as an adult (Cohen 481). The laws and ethics play huge effects on how guns and violence affect crime and the citizens themselves, in which hold a key role in the society.

World Literature Essay

World Literature Essay In The Sailor Who Fell from Grace with the Sea, Yukio Mishima portrays the intense and progressive development of his central character, Noboru, with the onset of adolescence. While the story takes place, particularly revolving around the interactions between Fusako and Ryuji as a couple, Noboru begins to embrace his adolescent nature and finds his own path in life. Adopting a lifestyle of â€Å"objectivity†, (49) the personal and external conflicts of Noboru’s life often question whether his indifference towards the world is reasonable (57).In his text, the author’s treatment of Noboru’s transformation can be examined on the basis of maturation, social conventions, and psychological factors in the deficiency of family dynamics. Maturity in life as well as in this novel plays a huge part in the development of character. As humans encounter the changes from a child to an adult, the period of adolescence is always one that cannot be fo rgotten. Rebellious nature and â€Å"phases† of lifestyle often occur which drives the youth to commit irrational actions.Thirteen-year-old boy Noboru has reached a milestone in his life where he faces challenges and additions to his life. Growing up under his mother’s wing due to his father passing away years ago, he has grown indifferent towards the world and is convinced of his own genius which firmly mounts his principles (Mishima 8). Building onto his development as a young adult, curiosity begins to implore Noboru to do the unthinkable in instances such as peeping through a hole that reveals his mother’s room (Mishima 10).Witnessing affairs such as sexual intercourse between his mother and Ryuji, the once idealized sailor becomes a traitor to Noboru thus disregarding everything he made the sailor out to be. As described by the chief, maturity is defined as perversion. This constant â€Å"betrayal† affects Noboru negatively and gives him no other opt ion but to continue believing in objectivity as his prime source of logic that won’t let him down. With a shift in mentality such as this, it’s not hard to accept the fact that his step towards maturity is one that’s corrupted (Mishima 181).Besides natural phases and instinctive processes taking effective positions in Noboru’s development, his frequent gatherings with his â€Å"cult† are responsible for his quiet but violent nature. Social conventions with the gang and him alter his personality throughout the novel. In the beginning of the novel, Noboru begins to describe the life of an â€Å"objectionist†, one who denies subjective reality, especially in perspective of adults, simply dismissing them as spurious and elusive (Mishima 8). With his belief in objectivity, he begins to experience life in a different hue.For example, the slaughtering of the innocent cat as a test of willpower (Mishima 61) serves as a crucial point in that novel th at offers a revelation to Noboru: â€Å"I can do anything, no matter how awful. † A realization such as this leads into bigger events in the novel such as the luring of Ryuji into his doom (Mishima 169). In doing so Noboru grows heartless, savage, and reconfirms his indifference towards the world. Psychology in this novel is possibly the biggest factor revolving around character development in The Sailor Who Fell from Grace with the Sea.From Ryuji’s transformation from a sailor to a father in the Summer and Winter parts of the novel to Fusako being a single mother turned married wife, it’s no doubt that Noboru changed as well. In the premise of the novel, Noboru is introduced as a thirteen-year-old boy living under a roof supported by his mother who owns a luxury boutique store. With his father passing away five years ago, Noboru has grown up only under his mother’s influence (Mishima 8). Lacking the male figure that usually guides the boy, the struggle f or â€Å"happiness† in Noboru has led to his acceptance of objectivity in place of it.With no father figure present during his childhood, Mishima presents this as the foundation for Noboru’s ulterior motives later on in the plot. The deficiency of family dynamics is stark within this novel. With no authority being put upon Noboru, it allows him to be irrational and wild. However, since he is a self-proclaimed genius, his freedom is spent in silence that later transitions into his ulterior motives. With the introduction of Second Mate Ryuji Tsukazaki into the life of the Kuroda family, it catalyzes character development.Fusako, Noboru’s mother, begins to rekindle her love life and later on marries Ryuji. Noboru on the other hand, idealizes Tsukazaki as liberal, masculine, disciplined, and without weak effeminate characteristics. With praise to Ryuji as his new â€Å"male figure†, it psychologically develops a sense of attachment and appreciation for him. S uch instances occurred when Ryuji came back from his duties at sea and brought back a present for Noboru. Typically, the boy would be indifferent towards such a generous act given his nature but he responded in a sense of excitement (Mishima 102).With emotions conflicting inside Noboru, it develops a feeling of acceptance and reformats the family dynamics within the Kuroda household (Mishima 144). Ryuji, however, begins to grow soft due to newly being a father. This course of action labels him as a â€Å"fallen hero† among Noboru and his gang. With a brutal discussion about fathers such as â€Å"fathers are evil itself, laden with everything ugly in Man†, it presents the idea of â€Å"making Ryuji a hero again (Mishima 136). † A meeting like this with the cult of objectionists alters Noboru’s mentality further on into the novel.With a final betrayal from Ryuji due to the sailor acting in a fatherly manner, Noboru confirms that his once praised hero is hop eless (Mishima 158). This last test of redemption that fails leads to the disappointment in Noboru, following up with the chief’s plan to make Ryuji a hero again. The psychological factors at play constantly reshape within Noboru. With each â€Å"betrayal† from Ryuji, Noboru mentally notes them and his anger builds up within. When it finally reaches a maximum limit, Noboru’s objectionist philosophy is put into full initiative.The life of the once heroic sailor is ended with an ironic finale (Mishima 181). In a gist, Noboru Kuroda’s transformation throughout the novel has simply been abominable. From the premise of innocence to the macabre product of what he has become, the thirteen-year-old boy could not be blamed for his actions. Through being put in the onset of maturity while struggling with his social conventions as well as the ongoing psychological factors regarding his deficiency in family dynamics; the corruption of Noboru in his coming of age is w ell described by Mishima in his novel.Yukio’s usage of death as being â€Å"perfect† (Mishima 61) provides an eerie atmosphere for the reader as his central character deals with the ire provided by his life. Brilliantly composed, Mishima’s psychological analysis in The Sailor who fell from Grace with The Sea is one that is terrifically splendid. Works Cited Mishima, Yukio. The Sailor who fell from Grace with the Sea. New York City: Vintage Books, 1965. Print.

The Human Learning Discusses Motivation And Affect

Being able to complete certain life goals requires time, effort, and resources that are interrelated to the individual who wants to meet the goal. People have goals that may be similar, but given that people are very different in their makeup and background, makes them have different outcomes. What makes everyone want to be complete in life is that each person has some type of motivating factor that helps a person plan and move forward. Chapter 16 of Ormrod’s Human Learning discusses motivation and affect, which is described as an internal state that arouses a person to action, pushes a person in certain directions, and keeps an individual engaged (Ormrod, 2012). Motivation causes an affect, which is an emotion or feeling that is the†¦show more content†¦Expectancy refers to learners’ expectations of whether they will succeed or fail based on past experiences. Sense of self-worth relates to the need to protect one’s integrity or ego. The role of attr ibution refers to the learner’s explanation of the causes of their success or failure (Rabideau, 2005). In addition to the success of teachers and the description of motivation, there are other concepts that are related to motivation. Social-cognitive and self-determination theoretical perspectives are referred to when describing Self-Regulated Learning (SRL) in motivation literature. Several theoretical models conceptualize and explain a host of processes underlying academic SRL. From most perspectives, SRL is theorized as a goal-directed process whereby individuals deploy and refine their use of specific tactics or strategies to attain personal goals (Cleary Kitsantis, 2017). It is important to note that conceptions of academic SRL often overlap to some degree with other constructs frequently mentioned in the literature, including self-management, metacognition, and executive functions. 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