PPT-Limiting Factors

BIOLOGY Limiting Factors Limiting factor Anything that prevents a population from growing too large Examples Discuss Space disease predation Sunlight Competition food water mates. 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 https://. www.youtube.com/watch?v=PXiO1JMo5F4&index=11&list=PL2AyX6LWJkplnbmhZ1Km6bg3kdwGT3fVj. https://. www.youtube.com/watch?v=XnaC9iOumVA. https://www.youtube.com/watch?v=U10PSZETLY0. . . th. -Week 10. TOPIC. : . Population Dynamics. .  . OBJ . : . 3-5. DO NOW. : . . EXT. :. Oh DEER! . DUE DATE. : . Oct 14th. DW. : . 4.1 Application Notes. -----------------------------------------------------------------------------------------------------------------. Description .   . . A. Plants and animals, including humans, interact with and depend upon each other and their environment to satisfy their basic needs. . B. Both human activities and natural events can have major impacts on the environment. . . Agenda. Do Now Hand Out. Mini . Lesson and Regents . Practice. Start . Carrying Capacity . Lab. Exit Ticket. Example of carrying capacity. What determines the carry capacity of Yankee stadium?. The amount of seats. What affects how well a plant grows?. Starter. : why is this tree so much taller than the others?! . Success criteria . name the factors that limit plant growth.. explain how the factors limit plant growth.. 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. . Density-dependent: . something that depends on the amount of organisms in a unit . area. . (5 examples to follow). So what in the world is a density-dependent limiting factor??. Crowded populations mean the individuals have to compete for food, water, space, sunlight, or anything else necessary for survival and reproduction. 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.. ?. A large, dense population or . a small, scattered population. A small, scattered population. Two . ways a population can decrease in size?. decreased birthrate and emigration. Suppose that a species of . Page 539-549. Chapter 18 . Section 2 & 3. Identify. the characteristics that describe populations.. Examine. the different types of relationships that occur among populations in a community.. Determine. 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 . 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. 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..