Questions and Answers
_______ is the study of the environment
Environmental Science
Rachel Carson was disturbed by the use of synthetic chemical _______
pesticides
Garret Hardin published an essay called 'Tragedy of the _______'
Commons
Wood is the primary fuel resource in the _______ century
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Environmentalism, which is sometimes described as 'green politics,' has spread _______
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An _______ is a specialist who studies, collects, and analyzes data pertaining to environmental conditions or problems
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The layer of air which is further divided into different sublayers is the ______
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The sphere of water is not only present in the bodies of water but also in the other layers is the ______
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The layer of the Earth where soil is found is the ______
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Antoine Lavoisier, known as the Father of Modern Chemistry, did many experiments that proved that matter cannot be ______ nor destroyed
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The law of conservation of energy states that energy like matter cannot be ______ nor destroyed
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Burning just transforms trash into another physical state, mainly ______
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CHIN CHIN GUTIERREZ is a Filipina actress and a known ______ advocate sustainability with proper lifestyle
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PRECIOSE CORAZON PABROA is a chemist who monitors ambient air quality in Metro Manila for the Department of Science and Technology (DOST). She studies about the ______.
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ECOLOGY is a science which studies the relationships between humans and other organisms, and their ______.
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ECOSYSTEM is a basic ecological unit. The living component is known as biotic component, while the nonliving component is also known as ______.
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SPECIES is made up of the same kind of ______.
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POPULATION is a group of inhabitants or individuals of the same species in an ______.
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Study Notes
Introduction to Environmental Science
- Environmental science is the study of the environment, focusing on concerns such as global warming, air and water pollution, and hazardous waste proliferation.
Key Figures in Environmental Science
- Thomas Robert Malthus published "An Essay on the Principle of Population" in 1798, describing population growth as exponential.
- Rachel Carson, an American scientist and writer, was disturbed by the use of synthetic chemical pesticides and wrote "Silent Spring" in 1962.
- Garret Hardin, an American ecologist, published "Tragedy of the Commons" in 1968, stating that common property resources belong to no one in particular, but are used and exploited by everyone.
Environmental Terms and Concepts
- Biosphere: all ecosystems combined, making up the Earth's sphere of life.
- Atmosphere: the layer of air divided into different sublayers.
- Hydrosphere: the sphere of water, present in bodies of water and other layers.
- Lithosphere: the layer of the Earth where soil is found.
- Levels of ecological hierarchy: organism, population, community, ecosystem, biome, and biosphere.
Scientific Laws and Principles
- Law of Tolerance: if the level of abiotic factors falls within the range of tolerance applicable to its individuals.
- Principle of Limiting Factor: abiotic factors, physical or chemical, limit the growth of a population.
- Law of Conservation of Matter: matter only undergoes physical and chemical changes, separating, rearranging, or transferring atoms of elements.
- Laws of Energy: energy cannot be created nor destroyed, only converted from one form to another.
Environmental Science in the Philippines
- Chin Chin Gutierrez, a Filipina actress, advocates sustainability with a proper lifestyle.
- Preciose Corazon Pabroa, a chemist, monitors ambient air quality in Metro Manila and studies the environment.
Ecology and Ecosystems
- Ecology: the science that studies the relationships between humans and other organisms and their environment.
- Ecosystem: a basic ecological unit.
- Living component (biotic component): made up of living organisms.
- Non-living component (abiotic component): includes water, air, sunshine, and soil, which help living things survive.
- Species: a group of the same kind of organisms.
- Population: a group of inhabitants or individuals of the same species in an ecosystem.
- Genetic diversity: variations in size, shape, and genetic makeup within a species.
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