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Botanists are individuals who conduct extensive study on plant biology - from the simple to the most complex plant organisms; studying all aspect of an individual plant or an entire ecology. Many botanists are involved in a broad range of activities including academic, both teaching and researching (Including field and laboratory studies). In a strict sense, botany is the pure science involved with the investigation of the basic nature of plants. Various aspects of botany have direct importance to human advancement and welfare. Fields such as horticulture and forestry are closely interrelated to basic botanical studies. Pharmacology and agronomy, however, are not as closely related, but still rely on basic botanical knowledge. The Beginning of Botany Botany, as a science, was first conducted in the 4th century BC by the Greek philosopher Theophrastus. His treatises on the morphology, classification and reproduction of plants were extremely influential on the discipline until the 17th century. Modern botany was developed around the 16th century, in part by the invention of the microscope in 1590. The Greeks believed that plants obtain their nourishment from the soil only, however, during the 17th century, Belgian Scientist Jan Baptista Van Helmont demonstrated that soil is not the main contributor of plant weight. English chemist Joseph Priestly demonstrated that growing plants "restored" oxygen lost in the atmosphere (18th century). Jan Ingenhousz, a Dutch physiologist extended this discovery by proving that light is required for plants to produce oxygen. These and other discoveries formed the basis for modern "plant physiology"; a branch of botany concerning basic plant functions. Modern Botany Botany is not necessarily dependent on the fossil record for information regarding classification and evolution. Unlike zoology, paleobotany, the study of plant fossil, is much less complete than that for animals. Paleobotany, however, has contributed greatly to the overall understanding of the interrelationships between the classes of seed plants. Angelica Introduction. - International personal introduction service featuring Russian and Ukrainian women. Article Index: | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 |
More Articles:1. Bonsai Trees - Our Own Little Forest By Bogdan-Andrei Voicu Bonsai trees have been grown in China and Japan for centuries. Buddhist priests were the ones that created them and, in some centuries time, everyone could enjoy the little trees. And, by little we mean little: a bonsai tree can live up to hundreds of years without being more than 1m high. By regularly cutting down the branches and by shortening the roots, the growing is stopped. More, by not providing the full required elements to grow, the trees remain little. Those really interested in Bons… 2. Mix Perennials into Your Garden for Staying Power By Kathy Burns-Millyard Perennial plants and flowers stay around for more than just one gardening season. Some of them bloom again for only about 3 years, while others will continue to bloom for many years to come.Now sometimes the first year you plant a perennial, you won't be overly impressed. You see, that first year the plants need to get used to the new environment. Some of them will produce blooms that first year, but some of them won't do a thing until at least the second year. And that's when you start seeing… 3. How to Kill Poinsettia By Doug Green One of the things I've noticed when doing my Christmas shopping is that there's too many poinsettia plants everywhere you look. You can't seem to move in any store for all these darn plants, their red bracts providing a flame of bah-humbug Christmas cheer. What follows is a sure fire way to kill these tropical invaders.To begin with, put this scarlet plant in a draft or other cold place. Anything less than 62 degrees will do nicely, especially if you can arrange for it to get drafts from an … 4. Landscaping Design - The Primary Principles By J Voight Principles refer to standards or prescriptions for working with or arranging various elements to produce the intended landscape design. Good landscape design follows a combination of seven principles: unity, balance, proportion, focalization or emphasis, sequence or transition, rhythm, and repetition.Unity refers to the use of elements to create harmony and consistency with the main theme or idea of the landscape design. Unity gives the landscape design a sense of oneness and interconnection. … |
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