chapter 15 review

Review for chapter 15 exam (including metric and nutrition questions)   Metric system: What are the metric units for Weight Distance Volume How many millimeters are in a meter? How many meters are in a millimeter? How many meters are in a kilometer? How many milligrams are in a gram?   Nutrition: The six basic nutrients are water, carbohydrates, protein, fats/lipids, minerals, and vitamins. Which of these are sources of calories (energy)? Which of these are organic? What is the preferred source of energy for our body? Which has the most calories per gram? What does malnutrition mean?     Agriculture: Vocabulary words Persistant pesticide Pheromone Yield Erosion   How is subsistence farming similar to organic farming methods? What are the three biggest staple crops of the world? (see figure 1 on page 380) In terms of nutrition, why do people eat meat? How does the north American diet differ from that of the developing world? (see figure 2 on page 380) Name three things that can cause famine. Name three things that can cause malnutrition. The production of food from ___________  requires less energy, water and land that food from ____________. What are three negative effects of the green revolution? What were positive effects of the green revolution? Which layer of the soil is best for growing crops? What are the soil layers from the top down? What causes desertification? What causes salinization? What are three methods of soil conservation? What would a terraced hill look like? Soil conservation is meant to preserve _____________ by limiting ________________. How can you enrich the soil? What are three major crop pests? What are three tools of biological pest control? Name three beneficial insects and say how they are beneficial. Integrated pest management includes __________, _____________, and ____________.