SCSC 105 Test 2 Review Questions With Complete Solutions

What is organic agriculture ? correct answer: Organic agriculture - an ecological production system that responds to site-specific conditions integrating cultural, biological, and mechanical practices that foster cycling of resources, promote ecological balance, and conserve biological diversity. What are the top 3 myths about organic production? Briefly describe each. correct answer: 1) Organics don't use pesticides when in reality they do it is just a selected number of pesticides 2) Organic is healthier, not backed by any scientific data, they have lower nitrogen and phosphorus acidity but nothing was different nutritionally. 3) Organic farming is better for the environment, they use fewer pesticides SOMEtimes, but they are opposed to just coding the genetic code to be repellent instead of using pesticides. also, organic uses vastly more land 4th myth added on was "it is all or none". We don't have to be all organic or all not. Let's use all the tools we have. What percentage of total cropland in Texas is organic certified? In the US? correct answer: 0.5% In Texas and 1.5% in the United States What were the two main crops mentioned in Food Evolution? What pests affected the two crops in Food Evolution? and where were they grown? correct answer: Papayas, Ringspot Virus, Hawaii Bananas, Banana Wilt (Bacteria), Uganda Pay attention to the individuals mentioned in the documentary. What were their position on GMOs? What are their credentials? correct answer: Refer to Canvas for PDF/chart Define Ecosystem. What are five components of one? correct answer: Collective function of organisms and their environment the five components are: 1. Food Chains 2. Diversity 3. Competitive Exclusions 4. Plant Successions 5. Nutrient Cycles Define agroecosystem correct answer: Ecosystems modif