Aquatic plant

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    photosynthetic rate of the aquatic plant Egeria densa. For this experiment I used a dissolved oxygen probe to measure the dissolved oxygen content of the water with an altered pH. By tracking the dissolved oxygen content of the water I was able to monitor the photosynthetic rates of the plants with the knowledge that high levels of dissolved oxygen indicate a high rate of photosynthesis (the higher the dissolved oxygen content, the higher the photosynthetic rate of the plant). I conducted this…

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    Longneck Lagoon Essay

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    A Local Ecosystem Investigation- The Disappearing Micro-Bats Of Scheyville National Park Habitats Habitats that exist in Longneck Lagoon for the micro-bats are terrestrial and aquatic. The forest is classified as a Cumberland Plain Woodland. A healthy ecosystem has 15% to 20% herbivory, in the terrestrial ecosystem it had an average of 33.5% herbivory. In the terrestrial ecosystem, to illustrate the distribution a transect and a transect study was used. From the 160m transect study. Four…

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    water clarity. These discussions are key to understanding how a fish or other aquatic organisms behave when in an environment that is not clean. Research done in areas such as Lake Tahoe showed that invasive species can affect the water quality and make it unable for fish to survive. This is due to invasive species having the same diet as fish. The most interesting part of this class was doing a presentation on an Aquatic Ecology topic of our choice. The other student presentations provided…

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    Tapir Adaptations

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    Plant predators, the vicious herbivores of planet Earth have many different adaptations that help ensure their survival in the wild. There are many different types of plant predators who have adapted to survive and live by solely eating plant material. One in such being that of the Tapir. The Tapir is said to be the largest mammal residing in the American rainforests. They feed on a variety of plants and plant material to guarantee that they do not become poisoned by eating too much of a certain…

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    Hussien Sara House, Lesha Liles, Abigail Saucedo, Melrina Stemn Biology 1441_Sec 017, Monika Pradhan; October 6, 2015 All plants rely on photosynthesis, therefore, we examined the rate at which a submerged plant such as elodea photosynthesized, with different light factors. To do this, the elodea must be completely be submerged in deionized water, later place the two plants under artificial light and natural light. After an hour, elodea has to be removed from the beaker, add three drops of…

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    Lemna Case Study

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    Lemna is a free- floating aquatic plant from the duckweed family, that consists of small, individual thalli (Tkalec et.al, 2001). Lemna are small, fast growing plants and they develop dense mats on ponds, especially when enough light and nutrients are available (GĂ©rard et.al, 2014). Salt is the most toxic substance, as it causes an inhibition of plant growth and a decrease in nutrient uptake (Chang et.al, 2012). Salt stress induces the production of abscisic acid (ABA), a plant stress hormone,…

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    Phosphorus Cycle

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    important role of phosphorus is that it is the key component of DNA and RNA. Phosphorus is important for producing ATP. plants absorb phosphorus from the environment and then proceeds to convert it from inorganic phosphorus to organic phosphorus. The organic phosphorus is discharged and converted back into organic phosphorus through decomposition. Seasonal patterns in the aquatic ecosystem effects phosphorus levels. During the spring, inorganic phosphorus is discharged from the sediment by…

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    With impending temperature changes, scientist can already see how increasing degrees affect plant and animal species. These temperature changes create an inhospitable environment for many of the animals who cannot adapt, especially-large bodied mammals. In a 2003 study of 1,500 plant and animal species studied, 1,200 showed changes consistent with effects scientists would consider temperature-related. (Than n.p.). The world has the…

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    The Phosphorus Cycle

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    The cycle starts from the rocks which contain a lot of phosphorus compounds. As these rocks experience weathering, they break down and gets mixed into the ground. Sometimes it gets washed away in water. With this, plants are able to absorb P from the ground. The animals eat these plants and absorb P. The phosphorus returns to the soil through the wastes we release, and when the dead decompose. These then goes back to the process of the formation of rocks. Phosphorus cycle is a slow and unique…

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    an attractive model system for plant biology and functional genome analysis.(1-7) It shares many biological features with higher plants (vascular plants) but has the unique advantage of an efficient homologous recombination system for its nuclear DNA.(2,3) This allows precise genetic manipulations and targeted knockouts to study gene function, an approach that due to the very low frequency of targeted recombination events is not routinely possible in any higher plant.(3) Mosses are situated…

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