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Chapter 8: Ecosystems Study Guide
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Energy is not destroyed, but rather is ____ by plants using sunlight.
Stabilized Decreased Renewed Limited
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Energy is not destroyed, but rather is ____ by plants using sunlight.
Stabilized Decreased Renewed Limited
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A continuous cycle as water molecule rise into the atmosphere, fall back to Earth, & flow into rivers & oceans through evaporation, condensation, & precipitation is called the _________. Carbon cycle Nitrogen cycle Biosphere Water cycle
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A continuous cycle as water molecule rise into the atmosphere, fall back to Earth, & flow into rivers & oceans through evaporation, condensation, & precipitation is called the _________. Carbon cycle Nitrogen cycle Biosphere Water cycle
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What level of the food chain has the most energy?
Consumers Herbivores Decomposers Producers
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What level of the food chain has the most energy?
Consumers Herbivores Decomposers Producers
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Overlapping food chains make a _______.
Food web Ecosystem Energy pyramid Biome
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Overlapping food chains make a _______.
Food web Ecosystem Energy pyramid Biome
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Which of the following is NOT cycled in the atmosphere?
Nitrogen Carbon Water Soil
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Which of the following is NOT cycled in the atmosphere?
Nitrogen Carbon Water Soil
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Why is each level of the energy pyramid smaller than the one below it?
Energy increases at each level of the pyramid. Energy decreases at each level of the pyramid. Each higher level of the pyramid requires more energy. The animals in the lower levels eat all the animals in the upper levels.
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Why is each level of the energy pyramid smaller than the one below it?
Energy increases at each level of the pyramid. Energy decreases at each level of the pyramid. Each higher level of the pyramid requires more energy. The animals in the lower levels eat all the animals in the upper levels.
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All the ducks living on a lake at the same time make up a ________.
Community Biome Abiotic factor Population
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All the ducks living on a lake at the same time make up a ________.
Community Biome Abiotic factor Population
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A coral reef in an example of a(n) ______.
Abiotic factor Population Ecosystem Biome
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A coral reef in an example of a(n) ______.
Abiotic factor Population Ecosystem Biome
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When one species in not affected & the other benefits, the symbiosis is termed ________.
Commensalism Parasitism Mutualism Ecology
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When one species in not affected & the other benefits, the symbiosis is termed ________.
Commensalism Parasitism Mutualism Ecology
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Which of the following is an example of a producer?
Wolf Frog Tree Rabbit
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Which of the following is an example of a producer?
Wolf Frog Tree Rabbit
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The number of individuals in a population occupying a definite area is called population ________.
Spacing Density Capacity Limits
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The number of individuals in a population occupying a definite area is called population ________.
Spacing Density Capacity Limits
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Which of the following is used to determine the soil type of an area?
Nitrogen, carbon dioxide, & oxygen Water, rocks, & decaying matter Sand, silt, & clay The climate of the region
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Which of the following is used to determine the soil type of an area?
Nitrogen, carbon dioxide, & oxygen Water, rocks, & decaying matter Sand, silt, & clay The climate of the region
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Organisms depend on other organisms for food, shelter, protection & reproduction. Organisms are __________. Biotic factors Habitats Niches Abiotic factors
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Organisms depend on other organisms for food, shelter, protection & reproduction. Organisms are __________. Biotic factors Habitats Niches Abiotic factors
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Factors that are nonliving parts of the environment are ___________.
Biotic Habitat Abiotic Ecology
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Factors that are nonliving parts of the environment are ___________.
Biotic Habitat Abiotic Ecology
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A relationship in which one species benefits at the expense of another (meaning the other is harmed) is ______. Commensalism Mutualism Competition Parasitism
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A relationship in which one species benefits at the expense of another (meaning the other is harmed) is ______. Commensalism Mutualism Competition Parasitism
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The _________ includes Earth’s crust, water on Earth’s surface, & atmosphere.
Biomes Biosphere Hydrosphere Habitat
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The _________ includes Earth’s crust, water on Earth’s surface, & atmosphere.
Biomes Biosphere Hydrosphere Habitat
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Air is a mixture of which of the following gases?
Neon, argon, & oxygen Oxygen, nitrogen, & carbon dioxide Helium, nitrogen, hydrogen Fluorine, carbon dioxide, & radon
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Air is a mixture of which of the following gases?
Neon, argon, & oxygen Oxygen, nitrogen, & carbon dioxide Helium, nitrogen, hydrogen Fluorine, carbon dioxide, & radon
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The study of all interactions among organisms & their environment is called _________.
Symbiosis Biomes Ecology Habitat
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The study of all interactions among organisms & their environment is called _________.
Symbiosis Biomes Ecology Habitat
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Which of the following limit the size of prey populations?
Mutualism Herbivores Predators Niches
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Which of the following limit the size of prey populations?
Mutualism Herbivores Predators Niches
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What are 2 different populations that might be present in a desert biome?
Polar bears & tundra grass Scorpions & pine trees Scorpions & cactus Wolves & cactus
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What are 2 different populations that might be present in a desert biome?
Polar bears & tundra grass Scorpions & pine trees Scorpions & cactus Wolves & cactus
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What is the top layer of Earth’s surface?
Air Soil Water Temperature
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What is the top layer of Earth’s surface?
Air Soil Water Temperature
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The pond a frog lives in is called its _____.
Habitat Niche Community Biosphere
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The pond a frog lives in is called its _____.
Habitat Niche Community Biosphere
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Biomes, communities, & populations are part of the ________.
Ecosystem Biosphere Community Population
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Biomes, communities, & populations are part of the ________.
Ecosystem Biosphere Community Population
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Factors that affect the number of individuals in a population that occupy a definite are _________.
Limiting factors Growing factors Baseline Ecosystem
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Factors that affect the number of individuals in a population that occupy a definite are _________.
Limiting factors Growing factors Baseline Ecosystem
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Sometimes environments reach a carrying _________, which is the largest number of individuals of a species than an environment can support & maintain for a long period of time. Limit Capacity Capability Boundary
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Sometimes environments reach a carrying _________, which is the largest number of individuals of a species than an environment can support & maintain for a long period of time. Limit Capacity Capability Boundary
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______ moves through a community as producers & consumers interact.
Energy Food Evaporation Water
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______ moves through a community as producers & consumers interact.
Energy Food Evaporation Water
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Which of the following would be classified as a result of evaporation?
Rain falls to the Earth Clouds form in the atmosphere Dew collects on a car window A lake becomes shallower
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Which of the following would be classified as a result of evaporation?
Rain falls to the Earth Clouds form in the atmosphere Dew collects on a car window A lake becomes shallower
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Which of the following statements is TRUE?
Decomposers make their own food & producers absorb nutrients from decaying matter. Producers capture their own food & consumers make their own food. Producers make their own food & decomposers absorb nutrients from decaying matter. Decomposers capture their food & producers make their own food through photosynthesis.
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Which of the following statements is TRUE?
Decomposers make their own food & producers absorb nutrients from decaying matter. Producers capture their own food & consumers make their own food. Producers make their own food & decomposers absorb nutrients from decaying matter. Decomposers capture their food & producers make their own food through photosynthesis.
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Which of the following is a biotic factor?
Animals Air Sunlight Soil
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Which of the following is a biotic factor?
Animals Air Sunlight Soil
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The law of conservation of mass states that matter on Earth is never ________.
The same Lost or gained Increased Recycled
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The law of conservation of mass states that matter on Earth is never ________.
The same Lost or gained Increased Recycled
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