PPT-5-2 Limits to Growth Limiting

Factors Remember primary productivity of an ecosystem can be reduced by limiting nutrients Limiting factors can determine carry capacity Density Dependent Factors Density Independent Factors. Aas long as organisms have all of these things available to them their population will continue to grow However populations cannot grow forever Some form of environmental resistance will stop the population s growth The form of environmental resis Presented by . Lin McMullin. National Math and Science Initiative . Continuity. What happens at . x. = 2? . What is . f. (2)?. What happens . near. . x . = 2? . f. (. x. ) is . near . -. (aka limiting reagent). Excess Reactant. Theoretical, Actual, and Percentage Yield. Limiting Reactant. (aka limiting reagent). Limiting reactant. : The substance you run out of first, that is consumed first--The reactant that . Reactants. Suppose that you are in a car factory. . In . order to assemble a car, 4 tires and 2 headlights are needed (among other things). . In . this example, imagine that the tires and headlights are reactants while the car is the product formed from the reaction of 4 tires and 2 . Bon Appetite. Suppose you are a chef preparing . F. rench toast for a group of people. You make French toast the way you have always made it: . one egg for every three slices of bread. . You never waiver from this recipe, because the French toast will be either too soggy or too dry. There are 8 eggs and 30 slices of bread in the pantry.. vocab. Limiting reactant- the one that runs out first, limits the amount of product that can be made. Excess- the one with reactant leftovers, not used up completely. What it looks like. C + O. 2. = CO. Percent Yield. When you make a peanut butter sandwich, you need 2 slices of bread and 1 tablespoon of peanut butter. The reactant that runs out first is called the limiting reactant. . Learning Goal . What is ecology?. Ecology is the study of how organisms interact with one another and with the environment. . What is an ecosystem?. An ecosystem is a community of organisms and their non-living environment. . Consider the balanced equation for the production of ammonia:. N. 2. . 3. H. 2. .  . 2. NH. 3 . If you have 2 moles of nitrogen and 3 moles of hydrogen, which reactant will be used up?. How much ammonia will you be able to make?. What is a limiting . r. eagent?. Steps for . determining the limiting reagent . Percent Yield. TeachWithFergy . Preview File. Please enjoy this preview of your Student Version of the lesson. . Some slides appear blank because they have been removed.. During a chemical reaction, the amount of each reactant will determine how much product is formed.. The . limiting reagent. is the reactant that is . used up first . in the reaction, thus determining when the reaction stops.. If it takes 500 bricks and 1000 boards to make a house, how many houses can you make from 1600 bricks and 2000 boards?. 2 houses, there are enough bricks for 3.2 houses. but only boards for 2 with our plans (reaction).. What is the . ideal combination of factors . for the . maximum . rate of photosynthesis? . enough light. . enough carbon dioxide. . ideal temperature . (not too hot or cold). How is the rate affected if one of these factors is . Growth of Populations. A population is a group of organisms belonging to the same species and living within a certain area.. The number of organisms within the group is the . population size.. Under ideal conditions, unlimited food, absence of disease etc, the size of a population would increase indefinitely..