Stack #4445944
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| If an ecologist were studying the regional interactions among multiple populations of different species, and how they influence the exchange of materials between their various environments, which of the following best represents this scale of research? | show 🗑
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| For mountain ranges that are subjected to prevailing winds, which of the following best explains why is the climate drier on the leeward (downwind) side? | show 🗑
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| Subtropical plants are common in Land's End, England, however, at the equivalent latitude of Labrador in coastal Canada, the local flora is instead subarctic. Which statement best explains why this apparent anomaly exists between North America and Europe? | show 🗑
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| show | Winters n summers would be more severe
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| show | The elimination of seasonal variation
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| The main reason polar regions are cooler than the equator is that | show 🗑
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| show | Temperate broadleaf forest n grassland
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| show | Solar radiation that warms moist air masses near the equator, which then cool and release precipitation as they rise, and then at high altitudes move north or south of the tropics and sink back to the surface as dry air masses
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| In deep water, which of the following abiotic factors would most limit primary productivity? | show 🗑
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| If the direction of Earths rotation reversed, the most predictable effect would be | show 🗑
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| show | Tropical rainforest
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| Generally deserts are located in places where air masses are which of the following | show 🗑
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| show | The changes in the density of water as seasonal temps change
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| If a deep temperate zone lake did not turn over during the spring and fall seasons as they normally do, which of the following conditions is most likely to results | show 🗑
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| show | Coral reef, diversity of organisms
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| show | Precipitation and temperature
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| Which of the following biomes spans a large annual mean temperature range and the narrowest mean precipitation range? | show 🗑
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| show | Many species are well adapted to survive periodic disturbances
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| Which of the following causes seasons to occur on earth? | show 🗑
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| show | Look at the climatic changes that occurred since the last ice age and how species redistributed as glaciers melted
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| show | Tundra
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| Two evolutionary unrelated plant species may live within the same type of biome but on different continents. Which of the following mechanisms would most likely result in these two species having similar traits? | show 🗑
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| show | determine the birth rate and death rate of each group in a population
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| show | the population growth rate will approach zero
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| show | may change as environmental conditions change
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| show | competition for resources
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| show | high survival rates of offspring and the cost of parent care
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| Which of the following traits is characteristic of K-selected populations? | show 🗑
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| To determine the density of a rabbit population, one would need to know the number of rabbits and __________. | show 🗑
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| show | 1,600
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| show | has a constant per Capita population growth rate
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| A researcher is studying two old-growth forests on the coast of California: 1 is undisturbed, while the other is being disturbed from logging & harvesting of the wood by a company. In which region are more species likely to have exponential growth & why? | show 🗑
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| show | growing rapidly
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| show | our technology has allowed the human population to keep increasing K
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| show | the ecological footprint of the US is large cuz per Capita resource use is high
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| show | 7.8 billion
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| show | two species with the exact same niche cannot coexist in a community
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| show | is directly linked to the evolution of genotypes that have allowed alternate resource use
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| Resource partitioning would be most likely to occur between | show 🗑
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| Which of the following is an example of Mullerian mimicry? | show 🗑
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| show | a nonvenomous larva of a moth that moves like a venomous snake
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| Which of the following is an example of aposematic coloration? | show 🗑
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| show | cattle egrets eating insects stirred up by grazing bison
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| Which of the following would be most helpful in understanding the structure of an ecological community? | show 🗑
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| show | observe if the species expands its range after the removal of a competitior
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| show | elephants exhibit a disproportionate influence on the structure of the community re
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| show | Habitat is opened up for less competitive species
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| show | large and close to a mainland
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| Which claim best explains the observation that species richness is higher in tropical regions than in temperate regions? | show 🗑
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| show | +/-
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| show | A +/- interaction could shift to +/0 or +/+ over time, depending on other factors such as competition, population density, or environmental changes
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| which of the following expressions would imply that an increase in the size of a carnivore population would negatively impact its prey population, but not vice versa? | show 🗑
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| show | prey on the community's competitively dominant species
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| Which of the following best explains why food chains are sometimes short? | show 🗑
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| show | tropical communities have higher sunlight and precipitation, and are generally older than temperate or polar communities
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| show | it is caused by pathogens that are transferred from other animals to humans by direct contact or by means of a vector
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| Which of the following best explains why a pathogen is generally more virulent in a new habitat? | show 🗑
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| Which of the following studies would provide the most reliable evidence to understand the mechanism of spread of H5N1 virus from Asia to North America? | show 🗑
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| Which of the following is a reason that a diet consisting primarily of fruits and vegetables results in a smaller ecological footprint than a diet high in meat content? | show 🗑
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| which of the following organisms is correctly paired with its trophic level | show 🗑
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| show | it provides conversion of organic matter from all trophic levels to inorganic compounds and makes them available for primary producers
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| show | producers and decomposers
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| Which statement best describes what ultimately happens to the chemical energy that is consumed but not used to produce new biomass in the process of energy transfer between trophic levels in an ecosystem? | show 🗑
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| Which of the following is an accurate statement regarding mineral nutrients in soils and their implication for primary productivity? | show 🗑
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| which of the following terms encompasses all the others? | show 🗑
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| Which of the following best explains the observation that matter may be gained by, or lost from, ecosystems? | show 🗑
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| show | the phosphorus cycle includes the weathering of rocks
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| show | restoration ecology
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| show | the rate of decomposition in the ecosystem
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| show | adding seeds of a chromium-accumulating plant to soil contaminated by chromium
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| show | experimentally enrich some areas of the ocean and compare their productivity to that of untreated areas
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| Consider the food chain of grass → grasshopper → mouse → snake → hawk. About how much of the chemical energy fixed by photosynthesis of the grass (100 percent) is available to the hawk, assuming a 10% trophic efficiency? | show 🗑
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| show | grassland, because of rapid growth, the small standing crop biomass that results from consumption by herbivores and rapid decomposition
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| Which of the following is a reason that logged tropical rain forest soils typically have nutrient-poor soils? | show 🗑
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| Which of the following organisms is correctly paired with a trophic level? | show 🗑
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| Which of the following are the main forms of energy inputs and outputs that move through an ecosystem? | show 🗑
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| How may primary production be measured in the two ponds? | show 🗑
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| show | because plants cannot fix N2
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| Which of the following is an ecosystem service that includes processes that increase the quality of the abiotic environment? | show 🗑
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| show | habitat loss, climate change
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| show | habitat alteration, fragmentation, and destruction
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| Which of the following threats to biodiversity impacts a specific species at one time, but also has the capacity to impact many other species due food-web interactions? | show 🗑
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| Which of the following best describes how introduced species can have deleterious effects on the biological communities they invade? | show 🗑
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| Which of the following best describes the biological significance of genetic diversity between populations? | show 🗑
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| If all individuals in the last remaining population of a particular frog species were all highly related, which type of diversity would be of greatest concern when planning to prevent the species from going extinct? | show 🗑
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| Overharvesting encourages extinction and is most likely to affect? | show 🗑
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| Which of the following conditions is the most likely indicator of a population in an extinction vortex? | show 🗑
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| show | changing environmental conditions may shift the location of the hot spot
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| Which of the following can be caused by nitrogen and sulfur oxide air pollutants, which are released during the burning of fossil fuels? | show 🗑
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| show | the amount of added nutrient that can be absorbed by plants without damaging ecosystem integrity
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| show | high rate of extinction
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| Loss of biodiversity matters not only with regard to mammals or other vertebrates, but also to microbes. Which of the following best explains the importance of discovering and protecting microbes from extinction? | show 🗑
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| Which of the following strategies was used to rescue Illinois prairie chickens from a recent extinction vortex? | show 🗑
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| show | the effective population size will be less than the actual population size
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| Which of the following is the main purpose of movement corridors? | show 🗑
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| show | parasiting the nests of forest birds and feeding on open field insects
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| show | the diversity could contain novel medications for consumers
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| show | the longer an introduced species persists in a new environment, the more likely it will find itself a target of pathogens, parasites, and predators
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| If a local population of a species goes extinct, which of the following outcomes is/are possible? | show 🗑
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| which of these is a consequence of biological magnification? | show 🗑
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Created by:
kingsleya27