Basic Facts about a Starfishs Biology and Behavior

Starfish are star-shaped invertebrates that can be a variety of shapes, sizes, and colors. You might be most familiar with starfish that live in tide pools in the intertidal zone, but some live in deep water. Classification Kingdom: AnimaliaPhylum: EchinodermataClass: Asteroidea Background Even though they are commonly called starfish, these animals are known more scientifically as sea stars. They do not have gills, fins, or even a skeleton. Sea stars have a tough, spiny covering and a soft underside. If you turn over a live sea star, youll likely see its hundreds of tube feet wiggling. There are over 2,000 species of sea stars, and they come in all sizes, shapes, and colors. Their most noticeable characteristic is their arms. Many sea star species have five arms, but some, like the sun star, can have up to 40. Distribution Sea stars live in all the worlds oceans. They can be found in tropical to polar habitats, and from deep to shallow water. Visit a local tide pool, and you may be lucky enough to find a sea star! Reproduction Sea stars may reproduce sexually or asexually. There are male and female sea stars, but they are indistinguishable from one another. They reproduce by releasing sperm or eggs into the water, which, once fertilized, become free-swimming larvae that later settle to the ocean bottom. Sea stars reproduce asexually by regeneration. A sea star can regenerate an arm  and nearly its entire body if at least a portion of the sea stars central disc remains. Sea Star Vascular System Sea stars move using their tube feet and have an advanced water vascular system that they use to fill up their feet with sea water. They do not have blood but instead take in seawater through the sieve plate, or madreporite, located on top of the sea star, and use that to fill up their feet. They can retract their feet using muscles or use them as suction to hold onto a substrate or its prey. Sea Star Feeding Sea stars feed on bivalves like clams and mussels, and other animals such as small fish, barnacles, oysters, snails, and limpets. They feed by grasping their prey with their arms and extruding their stomach through their mouth and outside their body, where they digest the prey. They then slide their stomach back into their body.

Essay Design and Architecture of Art Galleries - 1585 Words

In what ways and for what reasons have the architecture and designs of art museums and galleries evolved since the mid-twentieth century? In exploring and understanding this subject, one must study the history and development of individual museums and galleries, observing the exterior architecture as well as the internal design, and the reasons behind any developments or renovations done to the buildings. In addition to this the location of the museum must be considered, to see if the surrounding architecture influences any modernisation or extensions taken out on the buildings, as well as considering the expectations and ideas of different cultures, and how they might manipulate the evolution of such places over the past fifty†¦show more content†¦Made completely from glass panels its sharp geometric shape and use of materials proves a stark contrast to the surrounding buildings. The pyramid allows light to enter the reception area of the museum, giving it a light and airy feel, something that is associated with modernism. This pyramid does not just have a function, it is a statement of how the Louvre has evolved, assuring that public access is practical and fluent, allowing more visitors to enter the building and view the fantastic collection within, and also a symbol of this modern thinking, in comparison to the restrictions of class applied years before. The `Grande Louvre as it has now been named, has attempted through such additions, as well as lectures, media and cinema within the museum, made art approachable, and shunned its former stuffy label. In saying this though a lot of the displays are of a huge scale, and of the classical academy style, especially the renaissance pieces, and these are displayed to their full potential within the Grande Louvre, as the classical design of the interior complement the pieces effortlessly, theyre quite at home in such a grand interior. Another art museum of Paris is the Mus#233;e dOrsay a national museum which opened to the public in 1986 in order to show, in all its variety, the artistic creation of the western world from 1848 to 1914. The museum wasShow MoreRelatedThe Architectural Design and Significance of The New Art Gallery of Ontario889 Words   |  4 Pages Architectural design Architectural Design (AD) was first launched in 1930 in the UK as its architectural based journal. By then it was just a British scene which thereafter spread and became international. Architecture has then taken great revolution from time to time. 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It has the limitless capacity to evoke memories of the past and induce intellectual thought for the future. I have thoroughly relished the opportunity my History of Art A Level has provided me, to learn about

Software Architecture Code for Wrapper Class Free Essays

Wrapper to connect two applications with different architectures Public con As ADODB. Connection Public rs As ADODB. Recordset Dim str As String Private Sub Command1_Click() Command1. We will write a custom essay sample on Software Architecture Code for Wrapper Class or any similar topic only for you Order Now Enabled = False Command2. Enabled = False Command3. Enabled = False Command4. Enabled = True Set con = New ADODB. Connection Set rs = New ADODB. Recordset con. Open â€Å"Provider=SQLOLEDB. 1;Integrated Security=SSPI;Persist Security Info=False;Initial Catalog=AIR† str = â€Å"insert into Staff values(† Text1. Text â€Å",'† Text2. Text â€Å"‘, † Text3. Text â€Å",† Text4. Text â€Å",'† Text5. Text â€Å"‘)† On Error GoTo Delete_Error con. Execute (str) MsgBox † Record added Successfully† Text1. Text = â€Å"† Text2. Text = â€Å"† Text3. Text = â€Å"† Text4. Text = â€Å"† Text5. Text = â€Å"† Text1. SetFocus Exit Sub Delete_Error: MsgBox â€Å"This record cannot be Added. Error code = † _ Err. Number vbCrLf Err. Description, _ vbCritical, â€Å"Cannot Update Database† End Sub Private Sub Command2_Click() Command1. Enabled = False Command4. Enabled = False Command6. Enabled = False If (Adodc1. Recordset. BOF) Then Adodc1. Recordset. MoveLast Else Adodc1. Recordset. MovePrevious End If End Sub Private Sub Command3_Click() Command1. Enabled = False Command4. Enabled = False Command6. Enabled = False If (Adodc1. Recordset. EOF) Then Adodc1. Recordset. MoveFirst Else Adodc1. Recordset. MoveNext End If End Sub Private Sub Command4_Click() Command4. Enabled = False Command1. Enabled = True Command2. Enabled = False Command3. Enabled = False Command7. Enabled = False Text1. Text = â€Å"† Text2. Text = â€Å"† Text3. Text = â€Å"† Text4. Text = â€Å"† Text5. Text = â€Å"† Text1. SetFocus End Sub Private Sub Command5_Click() Unload Me Form2. Show End Sub Private Sub Command6_Click() Text1. Text = â€Å"† Text2. Text = â€Å"† Text3. Text = â€Å"† Text4. Text = â€Å"† Text5. Text = â€Å"† Text1. SetFocus End Sub SQL COMMANDS: create database AIR create table Staff(Staff_id int PRIMARY KEY NOT NULL,Staff_name varchar(20), Staff_age int, Salary int, Staff_address varchar(30)) ::Database AIR created successfully ::Table Staff creates successfully How to cite Software Architecture Code for Wrapper Class, Papers

Robinson Crusoe

Question: Discuss about the Report for Robinson Crusoe. Answer: 1: What do you think of Robinson Crusoe and Robinson Crusoe after Crusoe leaves the island? I perceive Robin Crusoe as an adventurous man seeking high see adventures filled with pride of achieving anything he puts to mind .Coming from a wealthy family, I thought he would follow his father's career advice, but he didn't, his rebellious nature took the best of him and following what he yearns for, life in the sea where many misfortunes will come to be. Crusoe being an aggressive businessman masters the art of profit making and determining profitable investments but with high risk involved which results to a long lasting predicament. I find it astonishing his ability to master the art of survival from scratch with no crash course, just intuition, his sympathetic in adopting a savage by saving him from cannibalism and teaching him the ways of the western man shows his charismatic character filled with compassion. I find Crusoe an extraordinary man after leaving the island; he was able to lead his fellow men to freedom regardless of the obstacles they faced along the way .A new man who never lost the fight for survival, having survived ingeniously running his disrupted business was simple; he rewarded his friends a fair amount of wealth as promised to make him a man of his word. 2: As you are reading along, how realistic are you finding Robinson Crusoe? I find Robin Crusoe getting In touch with reality gradually, regardless of losing hope for any rescue and immediate realization of loneliness in the island he finds the means of survival. Escape from such a predicament is the ultimate goal, we as humans its our nature to adapt to any situation to survive. Crusoe creates new values and goals for himself; he plants two crops a year to acquire food, he makes a house where he shields himself from the cold night and unpredictable weather (page 277). Lack of communication with another human creates an unrealistic experience where he has no one to talk to rather than God who seems to have forgotten about him, this depresses Crusoe. I find him still attached to a monetary value which reminds him of humanity when he finds gold and silver which at the moment has no added value to him but keeps it to gain a sense of humanity in him which increase how realistic I find him (Page 267). Determining the existence of cannibalism in the island raises Crusoes guard on survival instincts, he devised various ways of staying unnoticeable and even eliminating them, and through his misfortune, and hes able to save one of the savages who he then gains compassion towards him. Crusoe teaches Friday how to read and write, Christianity and the existence of a higher power but still doesn't let his guard down at any chance since he still considers him as a potential threat. I find Robin Crusoe survival in the island continuing to draw him towards reality; this is essential since it strengthens his physical and spiritual morale for continued survival until he escapes the island. Reference Defoe, Daniel and Michael Shinagel, Robinson Crusoe An Authoritative Text, Background and sources, criticism. New York, N.Y.(Norton, 1994)