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Download Ecosystems Review Sheet - Liberty Union High School District
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ioImportant Vocabulary – Define all the following Energy Flow in Ecosystems What is the 10% rule and how does it relate to the 2nd law of thermodynamics? Ecosystem services: Biotic: What is ecological efficiency? Abiotic: If 1000 J of sunlight converts to 60 J of chemical energy at the secondary consumer level, what is the total efficiency? Autotroph: Heterotroph: Trophic Levels (draw an ecological pyramid and label the levels): Define: NPP and GPP. Detritivores: 1. What is NPP limited by? Food chain vs. Food Web: ECOSYSTEMS Photosynthesis (and equation): Cellular respiration (and equation): Biomes What determines the type of biome an area will have? (Why do biomes form the way they do?): Complete the table: Type of Typical Typical Type Biome Location Climate of Soil Characteristics of Plants and Animals Tundra 2. What effect have humans had on the total potential NPP for the planet? What is the equation that relates both NPP and GPP? Practice Problems: 1. If the grasses on a 100-hectare area of grassland grow at an average rate of 1 cm/day, the average volume of grass that is added to the grassland each day is _____m3. If the density of the grasses that grow in the grassland average 400 kg/m3, the NPP is approximately ______ g/m2/day or ______ g/m2/year 2. The gross primary productivity of a meadow in south eastern Kansas is found to be 38,000 kcal/m2. Respiration which is measured by the amount of CO2 released is 13,500 kcal/m2, what is the net primary productivity for this ecosystem, in kcal/m2 per year? Define: Bioaccumulation & Biomagnification Taiga Desert Draw an example of Bioaccumulation: Grasslands Rainforest Deciduous Forest Draw an example of Biomagnification: Define the terms biome & biodiversity: How are the terms “species richness” and “species evenness” used to describe the biodiversity of an ecosystem? Define biomass and how does it relate to bioaccumulation & biomagnification?