ch 18 – Flashcard Test Questions
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Ecology is the study of ______. A) life B) human effects on the environment C) interactions between humans and other species D) interactions between organisms and their environments
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D) interactions between organisms and their environments
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Which of the following is abiotic? A) a protist B) a plant C) a fungus D) a rock
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D) a rock
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If you study how two species of finches compete for food, you are trying to answer a question about _______. A) community ecology B) population ecology C) organismal ecology D) ecosystems ecology
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A) community ecology
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What level of ecology is concerned with the adaptations of individuals? A) community B) organismal C) ecosystem D) population
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B) organismal
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What level of ecology is concerned with groups of individuals of the same species? A) community B) organism C) ecosystem D) population
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D) population
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What level of ecology is concerned with groups of individuals of different species? A) community B) organism C) ecosystem D) population
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A) community
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What is a population? A) a group of organisms living in a particular geographic area B) a group of organisms of the same species living in a particular geographic area C) a community as well as all the abiotic factors in a particular geographic area D) all of the organisms of a species existing at a particular time
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B) a group of organisms of the same species living in a particular geographic area
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Which of these is a community? A) all of the Staphlococcus aureus (a species of bacteria) living on your skin B) all of the organisms living in your home C) all of the people living in your neighborhood D) all of the nut grass (considered a weed) in my backyard
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B) all of the organisms living in your home
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What level of ecology is concerned with both the biotic and abiotic aspects of an environment? A) community B) organism C) ecosystem D) population
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C) ecosystem
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Aquatic organisms ______. A) have a waxy coating to prevent water loss B) may experience problems with water balance C) typically have a plentiful supply of nitrogen D) never find light to be in short supply
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B) may experience problems with water balance
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Which nutrients often limit the distribution and abundance of photosynthetic organisms? A) water and oxygen B) nitrogen and phosphorus C) carbon dioxide and nitrogen D) water and carbon dioxide
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B) nitrogen and phosphorus
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Which of the following is a behavioral response to environmental variability? A) migrating to a different location B) acclimation C) endothermy D) "flagging" by trees
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A) migrating to a different location
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In an aquatic ecosystem, what name is given to the region where photosynthesis can occur? A) pelagic zone B) aphotic zone C) benthic zone D) photic zone
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D) photic zone
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Wetlands ______. A) are important in improving water quality B) include rivers, streams, ponds, and lakes C) are an example of a marine biome D) are found in the intertidal zone
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A) are important in improving water quality
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What are estuaries? A) a type of freshwater biome B) areas near the start of a river C) regions where ocean meets land D) a transition area between a river and the ocean
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D) a transition area between a river and the ocean
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What name is given to the region where sea meets land? A) pelagic realm B) intertidal zone C) benthic realm D) aphotic zone
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B) intertidal zone
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What name is given to the open ocean? A) pelagic realm B) intertidal zone C) benthic realm D) photic zone
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A) pelagic realm
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In what part of the ocean are phytoplankton found? A) pelagic realm B) intertidal zone C) benthic realm D) aphotic zone
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A) pelagic realm
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What name is given to the seafloor? A) pelagic realm B) intertidal zone C) benthic realm D) aphotic zone
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C) benthic realm
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The temperate zones ______. A) have the coolest climates on Earth B) are relatively wet C) are relatively dry D) are the zones closest to the equator
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B) are relatively wet
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What is one important difference between savannas and temperate grasslands? A) Savannas only rarely experience fires B) Savannas have trees C) Savannas are inhabited by grazing mammals D) Savannas have very fertile soil
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B) Savannas have trees
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Which of these biomes is maintained by fire? A) temperate deciduous forest B) chaparral and savanna C) desert and chaparral D) savanna and temperate grassland
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B) chaparral and savanna
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Permafrost, or permanently frozen subsoil, characterizes _____. A) temperate deciduous forest B) chaparral C) tundra D) coniferous forest
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C) tundra
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What name is given to the seafloor? A) pelagic realm B) intertidal zone C) benthic realm D) aphotic zone
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C) benthic realm
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What level of ecology is concerned with both the biotic and abiotic aspects of an environment? A) community B) organism C) ecosystem D) population
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C) ecosystem
