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Homework Name:________________________ 5th Grade Study Guide Chapter 1 Know the following terms/concept cards - habitat - abiotic factors - community - birth rate - emigration - carrying capacity - species - niche - mutualism - parasite - organism - photosynthesis - ecosystem - immigration - limiting factor - competition - symbiosis - prey - commensalism - natural selection - biotic factors - population - estimate - death rate - ecology - predation - adaptation - predator - parasitism - host ology – study of photo – light migrate – wander -sion – the act of bio – life e – out im – in habit – dwell Know these word roots: eco – house a – not, without syn/sym – together -tion – the act of -ist/-er – one who does tic – a condition of being An organism is an individual living specimen, the smallest unit of organization in ecology Know the four levels of organization in ecology in order: Organism Population Community Ecosystem Know the five abiotic factors for any habitat: _______________ _________________ __________________ __________________ __________________ Know the five main limiting factors for any population: _______________ _________________ __________________ __________________ __________________ Homework Name:________________________ Know the three ways that a population can increase: . _________________________________________________________ . _________________________________________________________ . _________________________________________________________ Know the three ways that a population can decrease: . _________________________________________________________ . _________________________________________________________ . _________________________________________________________ Know the three major types of interactions between organisms: . _______________________ . _______________________ . _______________________ Know the three types of Symbiosis and what they are: ___________________ One organism benefits, the other is unharmed or unhelped ___________________ Both organisms benefit. ___________________ One organism benefits, and harms or kills the other. Know what Population Density is and how to calculate it for a given area. Know what a Niche is and be able to identify some organisms and their role in the environment. Be able to analyze a graph and describe what is happening to a population, including possible explanations and reasons for what you see.