Ecosystem Structure, Function, and Change Paper Essay - 1

Ecosystem Structure, Function, and Change Paper - Essay Example This area has aquatic plants and macrophytes, then the euphotic zone where less light penetrate is the habitat for fishes, invertebrates and algae. The lake being shallow does not have deep waters where big fishes survive. This lake mostly has plants, algae, small fishes, insects and amphibians. The lake has bottom sediment known as benthic zone and has a surface layer rich in microorganisms. The upper layer of the sediments is active with the benthic organism, insects and small crustaceans. There are abundant forms of larvae, flies and insects along with fish and other predators looming around the shore and water surface. The lake has a flat mucky bottom which offers plenty of rich food supplies to benthic organisms but is less protected as it has fewer amounts of higher plants which inhibits the formation of higher diversity of structural habitat. This lake is not having much of human interference unless on selected days when people come to visit the place .Some days in a week families and young people do visit the area due to its natural beauty. However, it is seen that people do leave lot of garbage on the lake and its shore which has polluted the lake to an extent. There had been debris of plastic bags, cigarettes, cans, bottles, food waste and plastic wastes. So it is obvious that chemicals might have seeped into the soil and water content of the lake. Plastic bags are a huge pollution to aquatic life and they can release all types of chemicals in to the water body and its eco system. As per (Collazo,2012) â€Å"Humans are directly responsible for the decline of population of certain animals in the littoral zone. Humans harvest animals and plants for food, bait, home aquariums, collections, etc.†. This debris like cigarettes, bottles and cans can release chemicals which can again increase the nitrogen and phosphorus content in water that can have adverse effect on the ecosystem.

Math Standards Essay Example | Topics and Well Written Essays - 500 words

Math Standards - Essay Example They should have the ability to find correct answers to addition, This list however is by no means everything a student should be able to do, and only acts as a basic guideline for what a student should be able to achieve in math while they are in the California educational system. The goals associated with student's learning in mathematics are also important. Students should develop fluency in basic computational Skills, develop an understanding of mathematical Concepts and Become mathematical problem solvers who can recognize and solve routine problems readily and can find ways to reach a solution or goal where no routine path is apparent. These are the three goals that all students should develop while learning math, and are important to their overall schooling as they grow up to adults upon their leaving of the educational system. In a general education class these broads skills are skills that all students should learn, and are skills that are helpful to teach to everybody. Some students will learn them fast, and others will struggle, but by teaching them as general educations everybody can learn them on the same level filed.