Soil mass - Study guides, Class notes & Summaries

abiotic correct answers Pertaining to factors or things that are separate and independent from living things; nonliving. acid correct answers Any compound that releases hydrogen ions when dissolved in water. Also, a water solution that contains a surplus of hydrogen ions. A layer correct answers a soil horizon; the layer below the O layer is called the A layer. The A layer is formed of weathered rock, with some organic material; often referred to as topsoil. alkaline correct answers a b...

Certified Crop Advisor Exam Questions With 100% Correct Answers What is not an essential nutrient for plants? Na/sodium Which of the following plant nutrients is a cation in soils? potassium/K+ Which of the following is a macronutrient? Cu, S, Mg, B Sulfur Which element regulates stomatal openings in plants? Potassium, K Which nutrient is most immobile in soil? phosphate What is the chemical uptake form of nitrogen? NO3- What is the chemical uptake form of phosphorous? H2PO4- Wha...

iCEV certification review questions and answers already passed Which of the following is NOT a category of wetland biome? Tropical In what year was the Clean Water and Air Act created? 1948 According to the presentation, ecosystem management was broadened by the establishment of which of the following in 1978? Conservation Biology Which of the following does NOT influence an organism's niche? Commensalism Which of the following best describes a pioneer species? The first spec...

Principle Components of Soil -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 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 Active: -climate -biota Passive: -parent material -time Modifying: -relief (topography) Bios...

________ Inheritance refers to any tree that is controlled by more than one gene. - -Polygenic A desert ecosystem includes grasses, mice, snakes, and hawks. As you move up the energy pyramid in this ecosystem, each level has______ energy than the one below. - -Less A female human has what chromosomes? - -Two X chromosomes A gene Is a section of DNA within a chromosome that codes for a what? - -Specific proteins A maple tree produces male and female flowers. Which term best describes the ...

On a hot day, temperature of land rises more quickly than that of sea. Which of the following statements best describe the process? a) specific heat of soil is more than water b) dry soil soaks more water. c) specific heat of soil is less than water d) it rains more over the sea. correct answers specific heat of soil is less than water We can be sure that a mole of table sugar and a mole of vitamin C are equal in their ________. a) number of atoms b) volume c) number of mol...

Why are cations difficult to get access to in the soil? - They are difficult because they bond tightly to the soil so another cation has to come break their bond Clay is negatively charged and tightly bind to cations making it difficult to uptake from soil Is the need for CO2 and O2 in leaves the same when compared to roots? - The difference is because of what the plant needs at that certain spot. The CO2 is needed for photosynthesis to make sugar for the plant What are the two key tissues...

AGRO 1001 TEST 2 -- FONTENOT LSU QUESTIONS AND ANSWERS 100% PASS 1. **What botanical classification applies to the pod of a bean?** - Fruit 2. **How is a bean typically classified despite being commonly referred to as a vegetable?** - Seed 3. **What are beans particularly rich in?** - Fiber - Protein - Vitamins A, B6, C, etc. 4. **Technically, what classification do peanuts fall under?** - Fruit 5. **Where is the center of origin for soybeans?** - China (disco...

ABCTE Elementary Education Exam 206 Questions with Verified Answers Magna Carta - CORRECT ANSWER (1215) a charter of liberties (freedoms) that King John "Lackland" of Englad was forced to sign; it made the king obey the same laws as the citizens of his kingdom 13th Ammendment - CORRECT ANSWER officially abolished slavery, prohibits involuntary servitude. Articles of Confederation - CORRECT ANSWER 1st Constitution of the U.S. (weaknesses-no executive, no judicial, no power to tax, n...

Certified Crop Advisor Western Region Exam With 100% Correct Answers Size of sand and its characteristics - answer.05mm to 2.0mm, lower CEC, lower water holding capacity Size of silt - answer.002mm - .05mm Size of Clay - answerless than .002mm Define bulk density - answerthe ratio of the mass of soil to its bulk volume. expressed in g/cm3 How does bulk density differ with soil texture - answersandy soil has higher bulk density because has less overall pore space. Bulk density ranges of...