Study guides, Class notes & Summaries

IB SEHS Exam Prep questions and 100% correct answers

Hydrological cycle correct answers System of stores and flows of the water in ecosystem driven by the solar radiation, which can be easily disrupted by human activities Storages correct answers Atmosphere, clouds, organisms, ocean/lake, glacier, groundwater, soil Hydrosphere correct answers All the forms in which the Earth's water can exist Turnover time correct answers Time taken for water to completely replace itself in part of the system, being renewable when replaced yearly or more...

Environment correct answers The external surroundings that act on an organism, population, or community and influence its survival and development. Environmental value(s system) correct answers This is a worldview or paradigm that shapes the way an individual, or group of people, perceives and evaluates environmental issues. Minamata disaster/disease correct answers This is a neurological syndrome caused by severe mercury poisoning. The Chico Corporation built a chemicals factor in Minamat...

model correct answers a simplified description designed to show the structure or working of an object, system or concept. open system correct answers type ***** in which both matter and energy are exchanged with its surroundings closed system correct answers type ****** in which energy but not matter is exchanged with its surroundings Gaia hypothesis correct answers developed by James Lovelock, compares the Earth to a living organism in which feedback mechanisms maintain equilibrium ...

demographics correct answers statistical data relating to the population and particular groups within it. doubling time correct answers The number of years needed to double a population, assuming a constant rate of natural increase. crude death rate correct answers The number of deaths per year per 1,000 people. crude birth rate correct answers The number of live births per year per 1,000 people. fertility rate correct answers the average number of children a woman of childbearing ye...

System correct answers An assemblage of parts and their relationship forming a functioning entirely or whole Open System correct answers Exchanges matter AND energy Closed System correct answers Exchanges ONLY energy Isolated System correct answers DOES NOT exchange matter or energy. Theoretical. 1st Law of Thermodyamics correct answers Energy is neither created nor destroyed. IT ONLY CHANGES FORMS. 2nd Law of Thermodynamics correct answers The entropy of a closed system increases...

List and explain a historical event or influence that had an impact on the development of the modern environmental movement. (1) correct answers Ex: Minimata, Japan In 1956, a chemical company in Minimata Bay released toxic methyl mercury into the waste water. As a result, organisms in the water like fish and shellfish were poisoned due to the contamination. Local people who consumed these fish developed mercury poisoning. This raised awareness about the threat of industrialization and the ne...

Environment - The external surroundings that act on an organism, population, or community and influence its survival and development. Environmental value(s system) - This is a worldview or paradigm that shapes the way an individual, or group of people, perceives and evaluates environmental issues. Minamata disaster/disease - This is a neurological syndrome caused by severe mercury poisoning. The Chico Corporation built a chemicals factor in Minamata, Japan. However, the by-product was m...

Abiotic Factor - A non-living, physical factor that may influence an organism or ecosystem; For example, temperature, sunlight, ph, salinity, precipitation. Biotic Factor - A living, biological factor that may influence an organism or ecosystem; for example, predation, parasitism, disease, competition. Trophic Level - The position that an organism occupies in a food chain, or a group of organisms in a community that occupy the same position in food chains. Species - A group of orga...

Natural capital - Source of supply of resources and services that are derived from nature (forests, mineral deposits, fertile soil, fishing grounds) Provisional services of natural capital - Food, fresh water, fiber Regulating services of natural capital - Climate regulation, disease Cultural services of natural capital - Ecotourism, recreational Supporting services of natural capital - Soil formation, nutrient recycling Renewable capital - Composition and structure of natu...

Abiotic Factor - A non living, physical factor that can affect an organism or ecosystem Biochemical Oxygen Demand - A measure of the amount of dissolved oxygen required to break down all of the organic matter in a set volume of water through aerobic biological activity. Biodegradable - Capable of being broken down by natural biological processes Biodiversity - The amount and variation of different species per unit area. Biomass - The mass and organic matter in an ecosystem or or...