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

Vegetation Manipulation correct answer: periodic burning to manage vegetation; es new growing to attract animals sses undesirable veg 3. increase nutrient availability to plants domestication of crops correct answer: adapting/taming of wild species of plants to be used by humans needed: -achieve a secure food supply -sedentary populations were increasing -farming required more labor than h&g, but fed a larger pop. when successful climate changes created favorable growing conditions...

origin of soybean correct answer: China / Japan origin of rice correct answer: India origin of sugar cane correct answer: Indonesia origin of wheat/barley correct answer: Near East origin of sorghum correct answer: Africa origin of potato/tomato correct answer: South America origin of corn correct answer: Central America/Mexico origin of sunflower correct answer: North America What 3 food groups form the perfect triangle of nutrition? correct answer: Legumes, gra...

1600s-1700s correct answer: small farms, 90% of US labor workforce, all manual labor 1800s correct answer: small to medium farms, 58% labor force, mechanical inventions like reapers and combines 1900s-200s correct answer: large farms, 38% farm labor force, mechanical power and synthetic fertilizers how have farms changed from ? correct answer: the number of farms have dropped but the size has increased what agency represents agriculture interests in the federal government? correc...

SCSC 105 Exam Questions with Complete Solutions . Farm size in the 's - Answer-small Farm size in the 1800's - Answer-small-med (exception southern plantations) Farm size in the 1900's - Answer-Large % of labor force in 's - Answer-90 % % of labor force in 1800's - Answer-58 % % of labor force in the 1900's - Answer-38 % Production methods practices that defined the 's - Answer-manual labor, primarily hand labor, ax, hoe, shovel sickle, scythe, grain cradle, animal lab...

Compare/Contrast the 1600s-1700s, 1800s, and 1900s-2000 in terms of Farm Size correct answer: : Small 1800: Small-Medium : Lar ger (200 acres) Compare/Contrast the 1600s-1700s, 1800s, and 1900s-2000 in terms of % of labor force in agriculture correct answer: : 90% of US labor force on farms 1800: 1860- 50% of US labor force on farms : 1900- 38% of US labor force on farms Compare/Contrast the 1600s-1700s, 1800s, and 1900s-2000 in terms of production methods practices that defined the ...

SCSC 105 Exam Questions and Answers All Correct Dictionary Definition of a Farm - Answer-Any plot of land devoted to agriculture and to the raising of crops and domesticated animals. USDA Definition of a farm - Answer-Any place from which $1,000 of agricultural products were produced and sold annually How many farms are tin the U.S. and what is the average size - Answer-2 million farms, 446 acres Three types of financial assistance provided by the USDA - Answer-Commodity payments, con...

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...