The evolution of plants has resulted in increasing levels of complexity‚ from the earliest algal mats‚ through bryophytes‚ lycopods‚ ferns to the complex gymnosperms and angiosperms of today. While the groups which appeared earlier continue to thrive‚ especially in the environments in which they evolved‚ each new grade of organisation has eventually become more "successful" than its predecessors by most measures. Probably an algal scum formed on land 1‚200 million years ago. In the Ordovician period
Premium Plant Fern Xylem
The uses of plants in developing and producing vaccines For thousands of years‚ society has been brought to the brink of disaster thanks to the spread of resilient diseases and the plague of hardy viruses. However‚ humans have been aware for just as long of medicinal defence mechanisms against these ailments. The ancient Egyptians and Romans‚ as well as the primitive islander and Aboriginal communities‚ knew that certain herbaceous matter could help heal the wounded and sick. In more recent times
Premium Immune system Vaccine
classmates‚ I think they would stand at the front of me because their first language is English and I think they have better privilege than me‚ but they actually stand behind me because of social problems like family. I watched a video named “The Power of Privilege at YouTube”‚ the speaker is Tiffany Jana. She said she is a black woman but her appearance doesn’t look like it because her family history. She mentioned she doesn’t notice Martin Luther King Jr. in the center of her family picture but
Premium Woman Gender Marriage
What is a Work Breakdown Structure (WBS)? http://www.adeak.com/2010/01/what-is-a-work-breakdown-structure-wbs/ Once we have identified all of the things that we are supposed to produce in the project‚ it is necessary to develop the specific items of work that must be done to complete all of the work. The work breakdown structure takes the project and divides it into smaller pieces. These can be called subprojects. The subprojects can be broken down into smaller pieces. This process of breaking
Premium Work breakdown structure Project management
Softball is a game with nine positions‚ divided in two categories: infield and outfield. The infield positions consist of first base‚ second base‚ short stop‚ third base‚ catcher and pitcher. The outfield positions include left‚ middle‚ and right field. Starting at a young age‚ five years old‚ helped me understand the game. Growing up‚ I have played many of these positions. Now‚ second base is my position; it’s a very important position on the infield and can be quite difficult. Playing second comes
Premium Baseball Baseball positions Game
The Strategic Position Chapter 3: Strategic Capabilities Gokhan Turgut Johnson‚ Whittington and Scholes‚ Exploring Strategy‚ 9th Edition‚ © Pearson Education Limited 2011 Slide 3.2 Strategic capabilities: the key issues Figure 3.1 Strategic capabilities: the key issues Johnson‚ Whittington and Scholes‚ Exploring Strategy‚ 9th Edition‚ © Pearson Education Limited 2011 Slide 3.3 Resources and competences • Resources are the assets that organisations have or can call upon (e
Premium Strategic management
"The position of Women" The change of the position of women in Egypt has been strongly observed in the last few decades. Some radical Muslims regard this change as an exaggerated liberation for the woman that they claim that is not accepted. While‚ other people see that this change is the start of civilization for the country. In the 1870 ’s the Egyptian women lacked many of their rights‚ they were treated almost as slaves. Hence‚ the Egyptian women kept fighting for their rights for many
Premium Female genital cutting Human rights Marriage
PLANT LOCATION The problem of how many facilities to have and where they should be located is encountered by service and product organization in both the public and private sectors. Banks‚ restaurants‚ recreation agencies‚ and manufacturing companies are all concerned with selecting sites that will best enable them to meet their long-term goals. Since the operation managers fixes many costs with the location decision‚ both the efficiency and effectiveness of the conversion process are dependent
Premium Steel Material Raw material
PLANT RESPONSES TROPISM is a biological phenomenon‚ indicating growth or turning movement of a biological organism‚ usually a plant‚ in response to an environmental stimulus. In tropisms‚ this response is dependent on the direction of the species. The word tropism comes from the Greek trope ("to turn" or "to change"). Tropisms are usually named for the stimulus involved and may be either positive (towards the stimulus) or negative (away from the stimulus). Phototropism is the growth response
Premium Seed Fruit Plant physiology
Chapter 1 What Do We Mean by Leadership? In the spring of 1972‚ an airplane flew across the Andes mountains carrying its crew and 40 passengers. Most of the passengers were members of an amateur Uruguayan rugby team en route to a game in Chile. The plane never arrived. It crashed in snow-covered mountains‚ breaking into several pieces on impact. The main part of the fuselage slid like a toboggan down a steep valley‚ coming to rest in waist-deep snow. Although a number of people died immediately
Premium Leadership