Scsc 105 exam 2 Study guides, Class notes & Summaries

SCSC 105 Exam 2 Questions With 100% Correct Answers 2024

SCSC 105 Exam 2 Exam With 100% Correct Answers 2024

Define the term weed. correct answer: A weed is a plant growing where it is not wanted i.e. Bermuda Grass - Front Lawn vs Corn Field List and briefly explain the 6 effects that weeds have on agriculture. correct answer: 1) Reduce the yield of cultivated crops (compete for essential nutrients) 2) Increase Production Costs (20% yield decrease = $28 billion) 3) Some weeds are Allelopathic (deadly chemical radius) 4) Devalue the Primary Crop (Purity Affected) 5) Can be detrimental ...

Identify the two main crops discussed in the documentary, what pests threatened them, and where were they grown correct answer: Papaya - ringspot virus - hawaii Banana - banana wilt (bacteria) - uganda Match the primary individuals featured in the documentary to their qualifications/associations and their position on GMOs. correct answer: Individual - Association - Occupation - Education - GMO Margaret Wille - Hawaii County Council member - M.Ed Education - JD Law - against Jef...

What are the top 3 myths about organic production? Briefly describe each. correct answer: 1. Organic production doesn't use pesticides 2. Organic is healthier 3. Organic farming is better for the environment Organic production doesn't use pesticides correct answer: "Organic" doesn't mean non-toxic or safe. There are other pathogens associated with organic production. Organic is healthier correct answer: Not backed by scientific data. No evidence for any differences in content of ...

What is organic agriculture? correct answer: Organic agriculture is a production system What are the top 3 myths about organic production? Briefly describe each. correct answer: 1. Organic production doesn't use pesticides 2. Organic is healthier 3. Organic farming is better for the environment What percentage of total cropland in Texas is organic certified? In the US? correct answer: 0.5% in Texas 1.5% in US Identify the two main crops discussed in the documentary, what pests th...

Identify the 2 main crops discussed in the documentary, what pests threatened them, and where they were grown. correct answer: Papaya, Ringspot Virus, Hawaii Banana, Banana Wilt (Bacteria), Uganda Names, Association, and Education for those against GMOs in the documentary. correct answer: Margaret Wille, Hawaii County, M.Ed. Education JD Law Jeffrey Smith, Institute for Responsible Technology, Attended Maharishi University of Management Zen Honeycutt, Moms Across America, B.A. Fash...

Ecology correct answer: science of dealing with the mutual relationships among biological organisms Ecosystem correct answer: Collective function of organisms and their environment Components of an Ecosystem correct answer: 1. food chains 2. nutrient cycles 3. plant succession 4. competitive exclusion 5. diversity Agroecosystems correct answer: Modified ecosystem, provides food, fiber, and shelter Differences/similarities of nutrient cycling correct answer: Ecosystem - cycle...

Define ecosystem correct answer: The collective function of organisms and their environment Where were the 2 crops discussed in the video grown? correct answer: The papaya was grown in Hawaii, and the banana was grown in Uganda What are the 5 components of an ecosystem? correct answer: 1. Food chains 2. Diversity 3. Competitive exclusion 4. Plant succession 5. Nutrient cycles Define agroecosystem correct answer: Ecosystems modified to produce, food, fiber, and/or shelter Id...