Duckweed as a nutrient thief and bioremediator Hypothesis: This experiment will evaluate duckweed and its ability to remove nutrients and toxins from water sources. Thus‚ duckweed will kill the organisms that require similar nutrients‚ yet aid the organisms that would otherwise die to toxins. Specifically‚ if one was to place Elodea plants in a tank with duckweed‚ then the Elodea will die due to the lack of nutrients from the duckweed having used the nutrients for its own benefits. Furthermore
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died quicker than Jar B and C. The CLR and water solutions acted as a fertilizer‚ so the greater the amount of CLR‚ the longer it stayed healthy or‚ in the case of Jar C‚ it even helps the duckweed fronds to reproduce. Ingredients in CLR‚ when mixed at a certain ratio with water‚ is actually helpful to the duckweed. There are many experimental
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showing total loss of duckweed Conclusion Literature Review Dicussion Aim: To determine how the growth of duckweed is affected by the amount of light. To do so‚ we had 12 samples placed in varying levels of light; we used natural light which was near the window‚ high light on a window sill with constant light on it and for low light we put the samples in a drawer. (There could’ve been a problem with the
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In this study‚ we found that the growth of the duckweed thalli did not have a significant difference in the NP solution and the creek water solution. Although we found that the duckweed grows faster in the NP solution‚ rather than the creek water they do indeed have relatively the same mean. Overall our results supports our hypothesis. This also makes us question what kinds of factors are affecting the creek water to kill off the duckweed. Duckweed also is known to stop the growth of algae‚ but in
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The effect of crowding on Duckweed growth rate. Sarah Morscheck*‚ Olivia Drukker‚ Hannah Zeigerson‚ and Jacob Shaffer Methods: To test the effect of population density on Duckweed growth rate‚ we obtained 24 clear‚ clean‚ plastic cups and added 100 ml of artificial pond water. There were 8 cups in each treatment‚ high density had 100 thali‚ medium density had 50 thali‚ and low density had 10 thali. The cups were randomly placed on a tray. The thali were counted and then rearranged every Monday
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Title: How Does Both Only Light and Only Darkness Affect the Growth of Duckweed? Introduction: Question: How will all light or all darkness affect the growth of duckweed? If so‚ how drastic of change will it be? Background: Duckweed‚ one of the fastest reproducing organisms on the planet. “The duckweeds (genus Lemna) and related genera of the duckweed family (Lemnaceae) are the smallest flowering plants known.” (USDA common duckweed) Duckweed‚ only about .3 mm in diameter‚ are found in almost all
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May 2012 The Effect of Light on Snapdragon Flowers Introduction: It is a well-known fact that plants need light for nourishment‚ yet many people are ignorant of the reasons behind this. The biological process by which green plants utilize carbon dioxide‚ water and sunlight to form their own food is called photosynthesis (unknown). Past research has demonstrated that red and blue rays maximize this process (Rothenburger‚ 1993). The purpose of this experiment was to examine the effect of several different
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Annexure-I TERM PAPER MECHANICS PHY101 Topic: MATLAB DOA: DOR: DOS: Submitted to: Submitted by: Mr. MR BHARPUR SINGH Mr. MD ANIS RAZA Deptt. Of Physics Roll. No. G4002B79 Reg.NO 11008009 Class B.TECH- M.TECH SEC:-G4002 [pic] I MD ANIS RAZA of B.techM.tech (mechanical)1st year 1st semester in Lovely
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ammonia and die. Duckweed does not have a specific depth of water that it is required to grow in‚ however it is not ideal for the duckweed to grow in shallow conditions. If the pond is too shallow than the freezing and evaporating point of the pond will fluctuate too much for the duckweed to grow. Duckweed is composed of a think cell wall‚ with chloroplasts‚ mitochondria‚ smooth ER‚ Rough ER‚ a vacuole‚ cytoplasm‚ goolgi body‚ nucleus‚ nucleolus. All these parts in duckweed help the plant carry
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The Effects of Light Intensity on the Rate of Photosynthesis Aim: To investigate the effects of light intensity on photosynthesis. Background: Photosynthesis is a process that plants undergo to produce glucose. The plant then uses the glucose to produce energy which the plant needs to sustain life. The chemical formula for photosynthesis is: Sunlight 6CO2 +6H2O → C6H12O6 + 6O2 Chlorophyll The plant requires light‚ carbon dioxide and
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