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Nitrogen fixation
Quiz by SARA YAZZALA
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​Plants absorb Nitrogen in the form of
Urea
Nitrogen
Nitrate
Nitrite
Plants absorb Nitrogen in the form of
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Create a review game for 9th grade biology students using the following topics Levels of Organization in an ecosystem- population, community, ecosystem, biome, biosphere Abiotic and Biotic Factors Differences between Food chains and food webs Trophic Levels Producers vs Consumers, Autotrophs vs. Heterotrophs Effects of Greenhouse gases and their effects on global systems. Biome examples Photosynthesis vs cellular respiration Types of Consumers Ecological Pyramids 10% rule Cycles of Matter/ Nutrient Cycles- Water Cycle, Carbon Cycle, Nitrogen Cycle, Phosphorus Cycle (note on the diagrams… the bigger the arrow, the larger amount of matter that moves through the cycle from that point to the next. Macromolecules- Carbohydrates, Lipids, Proteins, Nucleic Acids Nitrogen fixation Denitrification Eutrophication The usable form on nitrogen for plants is nitrate Population density and distribution-random, dispersed and clumped Birth rate and death rate Survivorship curves- Type I, II, and III Density dependent factors Density independent factors Exponential growth- J curve = unlimited resources, no limiting factors Logistical Growth-S curve= limiting factors, carrying capacity Symbiotic Relationships- Competition, predation, Herbivory, mutualism, parasitism, commensalism What is an invasive species? Why might countries limit certain species to coming into a new country or area? What is mycorrhizal? Succession- Primary vs Secondary Pioneer Species Climax community Biodiversity Climate change NitrogenNitrogen PracticeNitrogen cycleNitrogen, Phosphorus and Potassium usesN4 Nitrogen cycle, Fertilizers and affect on biodiversityCarbon Nitrogen CycleActual nitrogen