Lichen

    Page 1 of 7 - About 61 Essays
  • The Influence Of Lichens On The Environment

    billions of people present in the world, humans began polluting their own planet, therefore causing many problems to other species of life. One such example reflected by this is the decreasing biodiversity of organisms within an environment, especially lichen. Scientists characterize environmental changes through the research of various organisms, due to their observable reactions toward change in their respective environment. Lichens, composite organisms consisting of a fungus and an algae or a cyanobacteria, act as bioindicators in revealing environmental changes, specifically ecological…

    Words: 1605 - Pages: 7
  • Birch Tree Research Paper

    nitrate in precipitation (APIS). These adjustments mainly affect species that are customized to low nitrogen availability, like lichens mosses, and thus they are in danger of extinction. However, lichens are considered highly valued ecological indicators because of their sensitivity to a wide range of environmental stressors like air quality and climate change (Jovan 4). By identifying lichens that are sensitive, or tolerant, to the increase of nitrogen pollutants in an urbanized area, one can…

    Words: 1155 - Pages: 5
  • Natural Selection And Descent With Modification: Theories Of Evolution

    moths had to change a phenotype to adapt to their changing environment (Richardson, Urban, Bolnick et al. 2014). As for the selection and gene flow of how the peppered moths were able to survive in a changing environment are examples of how natural selection had to occur for the peppered to undergo a genetic mutation (Saccheri, Rousset, Watts et al. 2008). As well, the decrease of sulfur dioxide within the air reduces the phenotype within the moth to revert back to a lighter color (Grant, Cook,…

    Words: 1064 - Pages: 5
  • Musk Deer Research Paper

    musk produced in the musk glands of males is a dark red brown granular powder with a strong smell.But in the months before and after the musk is pasty,white,and the smell is slight.They have long, curved canine teeth that project well below its lips.The males canines can grow 3 to 4 inches and the female’s canine teeth are shorter.The deers hind legs are a third longer than the deers forelegs.That is what the musk deer looks like. Secondly,I am going to tell you about its habitat and diet.It is…

    Words: 409 - Pages: 2
  • Arctic Ocean Research Paper

    the rooted poppy or the yellow poppy. It also attracts insects to it's center. Some Arctic poppies have white flowers instead of yellow. They are actually very tough, and their stems are hairy. It adapts to its habitat in many ways. It is covered in black hairs, and those hairs could be a sign warning animals not to come close to it. The white poppies adapted to the Arctic because they can camouflage with the white ice and snow. These poppies also adapted to growing on rocks, so much that the…

    Words: 890 - Pages: 4
  • Biotic Factors Of Deciduous Forest

    colorful but mesmerizing. Most if not all the deciduous forest biomes are in isolated locations giving them their try uniqueness in both plants and animals. There are many abiotic and biotic factors that are located in this biome such as: oak, maple, hickory, sweet gum, and Mongolia trees along with lichen, ferns and shrubs. Some other…

    Words: 1343 - Pages: 6
  • Mount Shasta Research Paper

    interrupted by vast swaths of conifers including sugar, and yellow pines, Douglass spruce, silver fir, and incense cedar. Many of the trees are over 200 feet high and six or seven feet in diameter at the base. This area has a multitude of wildflowers including Goldenrods, a variety of lilies, and lupines, and many other herbaceous plants. Wildflowerconservancy.org has photos of many of Mount Shasta’s wildflowers, and the Kelley’s Lily is shown at right. The next higher area is the fir zone,…

    Words: 1157 - Pages: 5
  • Explanations: Propeller Crab

    legs on each body segment, attached to the underside of its body. It also had spiracles on the underside of its body. Plants 1.) Rose-I knew this was a rose because it had multiple stamens, leaves that grew in alternate patterns on the stems, symmetric, unconnected petals that count up to four or five, prickles on the stems and bisexual reproductive parts. 2.) Azalea-I knew this was an Azalea because it was a small pink flower. It also had 5 petals which is the exact number of petals Azaleas…

    Words: 411 - Pages: 2
  • National Curriculum Report

    private, voluntary and community sectors to work in partnership’ with them. Many locations also publish their own risk assessments, aiding teachers when it comes to ensuring the health and safety of the visit. However there are many risks associated with outdoors learning such as; dangerous objects, strangers, unsafe terrain, and the risk of losing children. Before any outdoor learning can take place, these risks must be evaluated and reduced as much as possible. During a seminar I took part in…

    Words: 1512 - Pages: 7
  • Nature Of Evolution: Selection, Inheritance And History

    These moths were different in terms of coloration of their bodies and wings; some were light and others dark. During the rise of the industrialization period, there was massive production of black sooty smoke from furnaces that were used to burn coal. When the smoke was released into the atmosphere via chimneys, it coated surrounding buildings with a dark, black surface. Also the soot hindered the production of lichen in trees thus killing it and making the bark of trees darker than usual. When…

    Words: 854 - Pages: 4
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