Discuss the ways in which distinctive ecologies can develop along routeways (10 marks) Routeways such as roads, railways and canals can provide habitats for many species of plant and insect life because they often act as protected areas in which ecological succession can occur. There are several ways in which this can happen. One way in which ecologies can develop along routeways is that plant seeds, e.g. Oxford ragwort or buddleia, that have become windborne can be transported along by cars or trains and are often planted in railway sidings or along grass verges next to main roads. In the case of roads, nitrogen in exhaust fumes can be beneficial to the growth of some species of wildflower, which encourages them to spread further along the protective area of the grass verge, which is an area almost untouched by human interference due to its proximity to heavy traffic, therefore meaning that plant species have a lot of freedom to grow and spread.
A variety of fishes, invertebrate animals, and plants can be found on these underwater wonderlands. Throughout the world, there are many coral reefs that are home to many species. Coral reefs are thought of by many as the rainforest of the sea. Coral reefs are produced from corals when they secrete calcium carbonate. These reefs play a very significant role in the overall health and nutrition of their marine environment as wells as, the entire planet.
Heather Carlson Life in the Oceans Assignment #2 April 2nd, 2011 Assignment #2 - Porphyra According to Websters dictionary, aquaculture, also known as aquafarming, is the farming of aquatic organisms such as fish, crustaceans, molluscs and aquatic plants. Aquaculture involves cultivating freshwater and saltwater populations under controlled conditions, and can be contrasted with commercial fishing, which is the harvesting of wild fish. Today I will concentrate on the commercial farming of marine algae, specifially the species of Tyrian purple algae, or Porphyra. Porphyra, commonly know as nori, is the most widely consumed seaweed in the world. Porphyra is a foliose red algal genus of laver, comprising approximately 70 species.
This means that all the elements live in balance and are capable of reproducing themselves. There is usually biodiversity, meaning that there are a variety of living organisms and species in that environment. There are a variety of ecosystems on earth. They include different terrestrial and aquatic systems. Tropical rainforests are one of the most productive ecosystems as they posses a high biodiversity and there is a large number of organisms present in rainforests as they tend to expand over a vast amount of land.
Figure 1: Coral reef trophic pyramid, showing its trophic levels. On each level, several important groups of species are shown (Diagram by Alex Rose). There are three categories of organisms in every ecosystem: producers, consumers, and decomposers. Producers, often referred to as primary producers, consist of organisms that are capable of making their own food and are consequently always photosynthetic (and in some cases chemosynthetic). Consumers are placed higher on the trophic pyramid than producers, and they can be herbivorous, omnivorous or carnivorous.
Migratory birds like the water fowl have the potential to spread the resistance bacteria over a large area, like water sources, and our soil. This spreads it to other species and makes then antibiotic resistant to the different bacteria’s. They also found that in the pre-antibiotic age that there were strains of antibiotic resistance gene’s been present before the widespread distribution of antibiotics. So this tells us that it can occur naturally in nature. It also tells us that it is important in nature.
Both of these affect virtually every aspect of human life. The physical environment is the more obvious of the two environments and is incredibly influential on everyday life. Plants photosynthesize giving us oxygen which is essential for survival. Animals provide food and clothing for us to eat and wear. Buildings provide shelter and places to work, sleep and socialize.
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They need it to power the millions of microscopic algae, called zooxanthellae, that live in their tissues. The algae provides the corals with food and oxygen in return for raw materials and a secure place to live. This teamwork is what allows the
Looking back at our history we have come to see a pattern, for example: once the ecosystem becomes disturbed in any way it will cause a ripple effect that will lead to dire consequences affecting not only the creatures who roam this earth but the population as well. Birds are a fundamental part of this whole ecosystem. They are mesmerizing when you watch them soar across the sky so gracefully, they spread seeds among the earth, they eat other animals as well as other animals eat them; becoming part of a healthy food chain on our planet, and this world would not be able to survive without them. All the creatures of this earth, the plants on the ground, the animals in the sky and on the ground, the people that walk this earth, and everything else within this planet is influenced greatly by the help of birds. They help our planet by pest control (eating massive amounts of insects), monitoring our environment by pollinating the flowers of various plants, keeping our environment balanced, as well as recycling nutrients into our earth; without birds, humans are more likely to cease existing.