Ib ess answers - Study guides, Class notes & Summaries

environmental pressuresthe factors (abiotic or biotic) in an ecosystem which put pressure on an organism's survival and increase competition (whether inter-species or intraspecies) biodiversitya combination of the species diversity, genetic diversity and habitat diversity of an ecosystem variationthe differences, either physical or genetic, between individuals of a species simpson's diversity indexa measure of diversity between similar ecosystems species diversitythe number of species...

A system A group of different parts that work together as a whole Inputs Energy or matter that enters a system Output The thing produced at the end of a system Storage Where energy or matter is accumulated inside a system Flow Movement of energy matter within a system Boundaries outside/edge of a system

IB ESS Exam With 100% Correct Answers 2024 System - Correct Answer-An assemblage of parts and their relationship forming a functioning entirely or whole Open System - Correct Answer-Exchanges matter AND energy Closed System - Correct Answer-Exchanges ONLY energy Isolated System - Correct Answer-DOES NOT exchange matter or energy. Theoretical. 1st Law of Thermodyamics - Correct Answer-Energy is neither created nor destroyed. IT ONLY CHANGES FORMS. 2nd Law of Thermodynamics - Corre...

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IB ESS: Final Exam With 100% Correct Answers 2024

IB ESS Final Exam Review with 100% Correct Answers 2024

IB ESS Exam Review Questions With 100% Correct Answers 2024 model - Correct Answer-a simplified description designed to show the structure or working of an object, system or concept. open system - Correct Answer-type ***** in which both matter and energy are exchanged with its surroundings closed system - Correct Answer-type ****** in which energy but not matter is exchanged with its surroundings Gaia hypothesis - Correct Answer-developed by James Lovelock, compares the Earth to a livi...

ESS IB Final Exam Questions & Answers 2024/2025 1.1.1 Outline the concepts and characteristics of a system - ANSWERSStorages of matter or energy. Flows- inputs into the system and outputs from the system. Processes which transfer or transform energy or matter. System- An assemblage of parts and the relationships between them which together constitutes an entity or whole. They always must contain energy, matter, and information. • Feedback mechanisms that maintain feedback and equilibr...

ESS IB EXAM 2024 QUESTIONS & ANSWERS 100% CORRECT Biochemical oxygen demand (BOD) - ANSWERSAmount of oxygen required by aquatic bacteria to decompose given load of organic waste; a measure of water pollution. Biotic index - ANSWERSA measure of water quality that uses the diversity and abundance of organisms living within it. Deep water currents - ANSWERSDeep ocean currents are driven by density and temperature gradients. Thermohaline circulation is also known as the ocean's conveyor ...

IB ESS Final Exam Questions & Answers 2024/2025 Ecocentric - ANSWERSpure ecology & nature is central to humanity and emphasizes a less materialist approach to life with greater self-sufficiency of societies Technocentric - ANSWERSbelieves that technological development can provide solutions to environmental problems Anthropocentric - ANSWERSbelieves humans must sustainably manage the global system Environmental Manager - ANSWERSbelieve governments need to legislate to protect envir...