Final for 9th Grade Enviro
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Fields that contribute to environmental science | biology, earth, chemistry, physics and social sciences
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| the law of supply and demand describes | the relationship between the availability and the worth of resources.
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| Type geological activity that formed the Himalaya Mountains | colliding tectonic plates
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| In nature what do wind and water erosion affect the most? | mountains, rocks and soil
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| Examples of an ecosystem | vacant lot, oak forest, coral reef
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| WheretThe energy in most ecosystems comes from | the sun
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| Plants and other producers get their energy directly from | the sun
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| Animals get their energy from the sun | indirectly
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| Rare bacteria that live deep in the ocean get their energy from | hydrogen sulfide in hot water
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| Consumers get their energy | indirectly from the sun
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| organism obtains energy only from producers | herbivores
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| Examples of savanna animals | rhinos, gazelles, and giraffes
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| These are threatened by soil erosion because native grasses have been damaged or destroyed by plowing and overgrazing. | Grasslands, such as the prairies of North America
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| An environmental function of wetlands | absorbing and removing pollutants from water
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| An environmental function of wetlands | trapping carbon that would otherwise be released into the air
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| An environmental function of wetlands | controlling floods
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| These are very productive ecosystems because they receive fresh nutrients from rivers and oceans | Estuaries
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| An adaptation that evolves in response to other organisms is known as | coevolution
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| All of the organisms of the same species (such as a forest of maple trees) is an example of a | population
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| Professionals who study and make predictions about human populations are called | demographers
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| A population pyramid is created by graphing the distribution of this | ages in a population at a specific time.
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| An endangered species is... | a species in danger of extinction.
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| Number of species estimated to be living on Earth | 10 to 50 million
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| effective strategy in slowing the loss of biodiversity | creating large parks/preserves in biodiversity hotspots
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| factor contributing highly to the exponential growth of the human population | more food, better hygiene
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| The density of a population is | the number of individuals per unit area.
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| What causes most coastal pollution in the United States | industrial waste and sewage
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| The adaptation of phytoplankton which prevents them from sinking into deep waters | flagella
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| a tropical rain forest has species of animals with specialized ways of surviving in order to avoid this? | competition
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| amount of energy carried through from organism to organism in the food chain | 10 percent
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| Humans are an example of organisms most likely to belong to the same… | species
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| most geologically active region on the surface of Earth | boundaries between tectonic plates
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| an example of a renewable resource | wood, water, sun, wind
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| an example of a non-renewable resource | gasoline, metal, coal, oil
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| Most of today’s environmental problems began during which period(s) in human history? | Industrial
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| Refers to the number and variety of species that live in an area | biodiversity
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