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Question: Which of the following is a source of genetic variation? (1937)Options: MutationGene FlowS..
Question: The concept of \'survival of the fittest\' is best associated with which of the following?..
Question: Which of the following is NOT a condition for natural selection to occur?Options: Variatio..
Question: What is the primary mechanism of evolution proposed by Charles Darwin?Options: Natural Sel..
Question: Which of the following is an example of mutualism? (2021)Options: A lion hunting a zebraBe..
Question: Which of the following best describes a climax community? (2018)Options: A community that ..
Question: What is the primary source of energy for most ecosystems? (2020)Options: Geothermal energy..
Question: Which of the following is NOT a characteristic of a population? (2023)Options: DensityBirt..
Question: In a predator-prey relationship, which of the following is true? (2022)Options: Predators ..
Question: Which of the following is an example of a density-dependent factor affecting population gr..
Question: What term describes the role of an organism in its environment? (2019)Options: HabitatNich..
Question: Which of the following is a biotic factor in an ecosystem? (2020)Options: TemperatureSoil ..
Question: Which of the following is a greenhouse gas? (2020)Options: OxygenNitrogenCarbon dioxideHyd..
Question: What is the primary goal of sustainable development? (2023)Options: Maximizing economic gr..
Question: Which of the following practices can help reduce soil erosion? (2022)Options: OvergrazingC..
Question: What is the effect of deforestation on the carbon cycle? (2021)Options: Increases carbon s..
Question: Which of the following is a major contributor to water pollution? (2020)Options: Plastic w..
Question: What is the term for the loss of biodiversity due to habitat destruction? (2023)Options: O..
Question: What is the main source of ozone layer depletion? (2021)Options: Carbon dioxideChlorofluor..
Question: What is the main function of producers in an ecosystem? (2019)Options: To consume other or..
Question: Which of the following is a characteristic of a stable ecosystem? (2023)Options: High biod..
Question: What is the primary process by which energy enters an ecosystem? (2022)Options: Respiratio..
Question: Which of the following cycles involves the movement of water through the ecosystem? (2021)..
Question: What is the term for the maximum population size that an environment can sustain? (2020)Op..
Question: Which of the following is an example of a decomposer? (2023)Options: FungiGrassLionInsectC..
Question: What term describes the role of an organism in its ecosystem? (2022)Options: HabitatNicheB..
Question: In a food chain, which of the following is a primary consumer? (2019)Options: GrassRabbitF..
Question: Which of the following is a biotic component of an ecosystem? (2021)Options: SoilWaterPlan..
Question: What is the primary source of energy for an ecosystem? (2020)Options: WindWaterSunlightSoi..
Question: What is the voltage across a 12Ω resistor carrying a current of 1.5A? (2023)Options: 18V12..
