surface of water and mud. Algae were evolving at the water’s edge‚ and one group – probably the charophytes – gave rise to plants. Cooksonia‚ a simple branching plant a few centimeters tall‚ evolved by 430 million years ago. It took another 160 million years for the taller Psilophyton to evolve. Then the evolutionary pace picked up. It took only 60 million years for plants radiate from the swampy lowlands to high mountains and nearly all places in between. They did so through modifications in
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are more to aquatic plants than just floating on the surface of water. Aquatic plants are plants that can adapt and live in a freshwater environment. They are sometimes called hydrophytes. These include plants that live in fresh wetlands‚ swamps‚ ponds‚ lakes‚ and marshes. This type of plant actually serves two important functions. First‚ they help oxygenate water (2006) and they provide nutrients and food for some fishes (Tappin‚ 2003). There are many types of aquatic plants including rooted‚ emergent
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PLANT SAFETY Industrial accidents present a serious problem like production losses and property damage that can possibly have a crippling effect on the operations of the organization. However‚ it is possible to and practicable to control industrial accidents Objectives of The Indian Factories Act 1948 • To protect human beings from being subjected to unduly long hours of bodily strains of manual labor‚ and • Employees should work in health and sanitary conditions so far as the manufacturing
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Humans and animals share many characteristics‚ but are still categorized differently. Animals are looked more of being vicious‚ barbaric‚ uncivilized‚ and cruel. Animals do not have a higher conscience; they will do anything to survive in their habitat. Humans are looked at on a different level than animals‚ they are put on a higher level because humans have evolved to become civilized and have the ability to reason. Animals run on instinct and don’t have the ability to reason like humans‚ but when
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climate and don’t know how to prepare your yard for winter? Are you concerned that you don’t know how to protect your cacti and desert plants during cold weather? If you’re new to the Southwest‚ here are some tips on winterizing your desert landscaping: Schedule a pruning before the first frost: Many people new to Southwest living wrongfully assume that desert plants need little care. In fact‚ ornamental grasses such as Mexican Thread Grass‚ Deer Grass‚ or Pink Muhly Grass need to be cut
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Characteristics of Monera The following points related to Monera characteristics will help you understand the kingdom of classification better. • Monera are about 1 micrometer in size and complex as living molecules. • The Monera cell structure is mostly unicellular and some organisms that form groups or filaments. • These organisms are the simplest prokaryotic cell structures. • The Monera cell structure lacks nuclei and many other cell organelles. • They have a cell wall made of polysaccharides
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Although completely different‚ California and Arizona are both wonderful states to reside in. I have lived in both states‚ and love them both. California is beautiful with beaches‚ bridges and big cities. Arizona has gorgeous mountains and rivers. Both states have vastly different weather and terrain‚ cost of living‚ and quality of schools and their accomodations. Arizona’s population grows in the winter when "snowbirds" migrate to the nice calm and cool weather. In Maricopa county‚ which covers
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non-native plant in Southern California I research some information of Iris Pseudacorus which is commonly known as Yellowflag Iris. It is native to Europe‚ Western Asia‚ and northwest Africa. Especially‚ Pseudacours is one of two iris species native to British Island. It was brought to Canada and the U.S in the early 1900s in order to use as an erosion control plant such as used in sewage treatment cells. In recent decade‚ the plant is used in landscaping and sold through garden and plant dealers
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Desert Solitaire: A Season in the Wilderness Edward Abbey The author of the book Desert Solitaire‚ Edward Abbey‚ talked frequently throughout the book about the beauty of nature and ways that human beings are destroying the natural beauty of the world we live in. The way abbey views nature is in a way that is best experienced by actually being out in nature‚ taking a hike‚ horseback riding‚ or bicycling. He believes that people who use the luxury of their cars on camping trip will not get to
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Abstract: Symbiosis is very important in the plant world. Fungus has a symbiotic relationship with other plants. This may help the plant through tough times‚ for example; droughts and long winters. There are many careers that study the problems of symbiotic plants. Symbiosis with Plants Symbiosis with plants is very important. Fungus helps the plant live through tough times. There is a lot of information available about symbiosis but there are also many unanswered questions. Certain careers
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