Soil biota - Study guides, Class notes & Summaries

SCSC 301 TAMU Test 1 with Questions and Answers Principle Components of Soil ANSWER -Air 25% -Water 25% ^ (healthy soil composition, those two vary from 50-0% to 0-50%) -minerals ~45% -Organics ~5% (again healthy soil it varies) % are by volume not mass Soil ANSWER Dynamic natural body having properties due to the combined effects of climate and biota as modified by relief acting on parent material over time. 5 thing that affect soil ANSWER Active: -climate -biota Passive: -p...

CRSS/ FANR 3060 Exam 1 Questions & Answesoil - ANSWER--layer(s) of generally loose mineral and/or organic material -affected by physical, chemical, & biological processes -usually hold liquids, gases and biota and support plants -non-renewable resource soil functions - ANSWER-anchorage for plants storage and recycling of nutrients regulate water supply habitat for many organisms engineering medium transformations - ANSWER--weathering of primary minerals to clay & hydr...

Is soil science also studied in other academic settings? - Art Where did Donnie Smith work? - CEO of Tyson What/where is Mesoamerica? - -a cultural region, the Maya and Aztec empires -Central Mexico into Central America (Honduras) Know what tools he used to get where he is today (Donnie Smith) - -communication skills -being able to work w people -having desire to see others succeed When was the peak of the Maya civilization? - 800 AD What soil order is commonly the site of most...

____________ are mutated genes that cause cancers: - Proto-oncogenes ________________ are proteins produced by the immune system - antibodies 75% of increase in CO2 is due to: - Fossil fuels A benign tumor - A non spreading tumor (harmless) but can later become malignant A bundle of axons is called: - nerves A naturalized alien species is: - an alien species that has established itself and becomes a selfperpetuating population become widely dispersed and incorporated into native ecosystem ...

CRSS 3060 Exam 1 Study Guide with Complete Solutions What is soil? - Correct Answer ️️ -1. The surface layer of Earth that supports plant life, any place for growth or development, ground or earth 2. Soil = Air + Water + Solids 3. Sand, Silt, Clay What are the five functions of soil? - Correct Answer ️️ -1. Medium for plant growth 2. Water supply & purification 3. Nature's recycling system 4. Habitat for organisms 5. Engineering medium How many inches of rain per year do we ge...

CRSS/ FANR 3060 Exam 1 Questions and Answers soil - Correct Answer ️️ --layer(s) of generally loose mineral and/or organic material -affected by physical, chemical, & biological processes -usually hold liquids, gases and biota and support plants -non-renewable resource soil functions - Correct Answer ️️ -anchorage for plants storage and recycling of nutrients regulate water supply habitat for many organisms engineering medium transformations - Correct Answer ️️ --weathering...

SCSC 301 TEST QUESTIONS AND ANSWERS Which horizon is not part of the soil solum? - ANSWER- C Organic matter in soil typically accounts for ____% or less of the soils total volume. - ANSWER- 5% Pore space in soil may contain either _____ or _____ - ANSWER- Air Water Soils are the result of ______ and biota acting on parent material over time as modified by ______ - ANSWER- Climate Topography Though plants depend on soil for growth, which of the items below is found in soil, but not ...

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...

Know the dimensions of the earth. -:- Diameter: 8,000 mi Circumference: 25,000 mi Understand that definitions of soil depend strongly on the concerns of those making the definitions -:- Know the parameters related to soil composition for an idealized surface soil. -:- Reactive and porous 45% mineral particles 5% organic matter 50% pore space Be able to identify the basic functions of soils in the environment. 2 0 2 4 / 2 0 2 5 | © copyright | This work may not be copied for pr...

CRSS/ FANR 3060 Exam 1 Questions and Answers soil - Correct Answer ️️ --layer(s) of generally loose mineral and/or organic material -affected by physical, chemical, & biological processes -usually hold liquids, gases and biota and support plants -non-renewable resource soil functions - Correct Answer ️️ -anchorage for plants storage and recycling of nutrients regulate water supply habitat for many organisms engineering medium transformations - Correct Answer ️️ --weathering...