AP BIO: Ecology Review Study Guide with Complete Solutions

AP BIO: Ecology Review Study Guide with Complete Solutions Population - Answer️️ -a group of organisms of the same species populating a given area Community - Answer️️ -(ecology) a group of interdependent organisms inhabiting the same region and interacting with each other ecosystem - Answer️️ -a system formed by the interaction of a community of organisms with their physical environment biosphere - Answer️️ -the regions of the surface and atmosphere of the Earth (or other planet) where living organisms exist habitat - Answer️️ -the type of environment in which an organism or group normally lives or occurs niche - Answer️️ -(ecology) the status of an organism within its environment and community (affecting its survival as a species) size - Answer️️ -the property resulting from being one of a series of graduated measurements (as of clothing) population density - Answer️️ -number of individuals per unit area dispersion - Answer️️ -The pattern of distribution of organisms in a population age structure - Answer️️ -proportion of people in different age groups in a population ©SOPHIABENNETT EXAM SOLUTIONS_2024/2025 Tuesday, September 3, 2024 10:30 AM Page | 2 survivorship curves - Answer️️ -They show the likelihood of survival at different ages throughout the lifetime of the organism. type I - Answer️️ -Survivorship curve in which the likelihood of dying is small until late in life, when mortality increases rapidly (such as Humans or elephants). type II - Answer️️ -Survivorship curve in which there is an equal likelihood of dying throughout life (such as birds or small mammals). type III - Answer️️ -Survivorship curve in which organisms are most likely to die when young; the few survivors tend to live until old age (such as oysters, salmon, or insects). biotic potential - Answer️️ -the maximum reproductive rate of an organism, given unlimited resources and ideal environmental conditions carrying capacity - Answer️️ -largest number of individuals of a population that a environment can support limiting factors - Answer️️ -Conditions in the environment that put limits on where an organism can live density-dependent factors - Answer️️ -limiting factors (such as competition, predation, parasitism, and disease) that are affected by the number of individuals in a given area density-independent factors - Answer️️ -limiting factor that affects all populations in similar ways, regardless of population size reproductive rate - Answer️️ -R= (births-deaths)/N [N- population size at beginnin