Ib ess test - Study guides, Class notes & Summaries

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2019 ESS IB Test Review (updated)questions well answered to pass

ESS IB Study Test Questions with 100% Correct Answers 2024/2025 Evaluate the uses of DTT. - ANSWERSPros: - Relatively cheap - Highly persistent so that it continues for months after application to kill insects such as mosquitoes that carry disease - Used to virtually* eliminate malaria dengue fever and filariasis* - Estimated to have *saved about 50 million human lives* and to have prevented more than *a thousand million* human illnesses Cons: - kills all insects that come in con...

IB ESS Test 2 Questions & Answers 2024/2025

IB ESS TEST Latest 2023 Questions and Answers Complete

ESS IB Test Review UPDATED Exam Questions and CORRECT Answers Abiotic Factor - Correct Answer- A non-living, physical factor that may influence an organism or ecosystem; i.e. temperature, sunlight, pH, salinity, precipitation Biochemical Oxygen Demand (BOD) - Correct Answer- A measure of the amount of dissolved oxygen required to break down the organic material in a given volume of water through aerobic biological activity Biodegradable - Correct Answer- Capable of being broken down b...

IB ESS Topic 6.3; Photochemical Smog Test 2023...

Conservation - the act of preserving nature - attempting to save habitats, species and biodiversity in general 2/3 - the proportion of living species which are found in tropical rainforests Current extinction rates - approx. 100 species per million species per year Ecosystem complexity - creates stability and resilience to change in an ecosystem - there are many pathways for energy flow Limiting factors - environmental conditions that limit the growth, abundance, or distribution...

ESS IB Review Test Questions & Answers 2024/2025 Demographics - ANSWERSthe study of the dynamics of population change Exponential curve- - ANSWERSwhen populations follow an accelerating rate of growth which is proportional to the population size Crude Birth Rate (CBR) - ANSWERSnumber of births per thousand individuals in a population per year Crude Death Rate (CDR) - ANSWERSnumber of deaths per thousand individuals in a population per year calculate CDR and CBR - ANSWERSdividing...

IB ESS 1.4/1.5 Test Questions & Answers 2024/2025 1.4 - ANSWERS Sustainability - ANSWERSThe use and management of resources that allows full natural exploited and full recovery of the ecosystems affected by their extraction and use. Natural Capital - ANSWERSNatural resources that can produce a sustainable natural income of goods or services Natural Income - ANSWERSThe yield obtained from natural resources Resources - Natural Capital and Natural Income - ANSWERSNatural Capital (R...