Scsc 105 exam 1 material - Study guides, Class notes & Summaries

SCSC 105 EXAM 1 MATERIAL Questions and Answers How are GMOs modified? - Answer-(IR) insect resistance (HT) herbicide tolerant (VT) virus resistant What is organic agriculture? - Answer-a production system with certain restrictions; no synthetic fertilizers or posticides, organic fields have had no prohibited substances for 3 years What are the top 3 myths abour organic production? describe each - Answer-1) organic production doesnt use pesticides; 2) organic is healthier 3)organic ...

SCSC 105 Exam 2 Questions with All Correct Answers What is a soil? - Answer-medium for production and growth of plants and crops Important functions of soil - Answer-anchorage water, nutrients for plant uptake habitat for soil organisms Describe a soil profile. - Answer-vertical section of soil extending from surface to unweathered rock of crust O horizon - Answer-humus, organic matter A horizon - Answer-topsoil, brown or black, plants found here B horizon - Answer-subsoil, ac...

SCSC 105 Exam Questions with All Correct Answers Define ecosystem. - Answer-Collective function of organisms and their environment What are the five components of an ecosystem? - Answer-food chains, diversity, competitive exclusion, plant succession, nutrient cycles Define agroecosystem. - Answer-Ecosystems modified to produce, food, fiber, and/or shelter List 5 different important functions that ecosystems provide. - Answer-Climate regulation, Disturbance regulation, Water regulation...