Mastering Biology – Ch 52 – Flashcards
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What are the two major factors determining the distribution of terrestrial biomes?
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temperature and rainfall
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Which of these biomes is characterized by little rainfall?
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desert
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Which of these is the largest terrestrial biome on Earth?
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coniferous forest
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Which biome is characterized by an extensive canopy that allows little light to penetrate to the ground and by the presence of epiphytes?
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tropical rain forest
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Which biome is characterized by the prescence of permafrost?
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tundra
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Which action influences the abiotic components of an organism's environment?
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water pollution
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Which aspects of a region's climate have the most impact on plants and animals?
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temperature and moisture
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True or False? Weather is defined as the prevailing long-term atmospheric conditions in a particular region.
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FALSE!!!!! Climate is defined as the prevailing LONG-TERM weather conditions in a particular region. Weather is defined as the SHORT-TERM atmospheric conditions of temp, sunlight, moisture, and wind.
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Which of the following statements about Hadley cells is true?
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As warm air rises, air at the top of the atmosphere is pushed poleward and cools. *** This cool air causes the cooler climates away from the equator.
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Which location on Earth receives the MOST SOLAR RADIATION per unit area?
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Equator
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What are rain shadows?
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Dry regions on the LEEWARD side of mountain ranges.
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Which desert is caused by a Hadley cell?
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Sahara Desert in Africa
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Which is the most inclusive level of organization in nature?
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biosphere
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Which of the following causes Earth's seasons?
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Earth's tilt on its axis
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Which of the following investigations is an example of the study of an abiotic factor?
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investigating how the amount of annual precipitation affects the distribution of a tree species
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In most cases, the two major climatic factors affecting the distribution of organisms in terrestrial ecosystems are _____
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water and temp
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What is a biome?
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a major type of ecosystem; a biome is a type of community with certain abiotic environmental conditions
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Which of the biomes - tundra, coniferous forest, temperate broadleaf forest, temperate grassland, savanna, chaparral, desert, tropical rainforest - requires periodic fires to maintain their existence?
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savanna, chaparral, temperate grassland, and coniferous forest *fire prevents the replacement of dominant species
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trans
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across
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eu
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true, good
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logy
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study of
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aqua
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water
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macro
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large
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a- or an-
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without, lack of, not
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micro
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small
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eco
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house, household
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phyte
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plant
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bio
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life
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de
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from, out of, remove
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prim
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first
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zoo
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animal
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oligo
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few
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vor
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eat
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hydro
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water
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sub
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under, below
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herb
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grass
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carn
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flesh
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omni
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all
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troph
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food, nourishment
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photo
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light
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intra
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within
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para
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alongside
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inter
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between
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hetero
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other
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auto
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self
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ultra
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beyond
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therm
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heat
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cide
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killer
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Which of the following areas of study focuses on the exchange of energy, organisms, and materials between ecosystems?
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landscape ecology
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Which of the following biomes is correctly paired with the description of its climate?
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tropical forests - nearly constant day length and temp
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Which of the following is characteristic of most terrestrial biomes?
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vegetation demonstrating vertical layering
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The oceans affect the biosphere in all of the following ways EXCEPT
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regulating the pH of freshwater biomes and terrestrial groundwater
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When climbing a moutain, we can observe transitions in biological communities that area analogous to the changes
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in biomes at different latitudes
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WHAT IF? If the direction of Earth's rotation reversed, the most predictable effect would be
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winds blowing from west to east along the equator
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In ecological terms, disturbance is an event such as a storm, fire, or human activity that changes a community, removing organisms and altering resource availability. Which of the following statements about the effects of disturbance is correct?
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Disturbances can create patches of different habitats in a community
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Which statement accurately describes the potential effects of disturbances on species diversity?
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Many species are well adapted to survive periodic disturbances
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Which two factors influence the distribution of organisms?
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temperature and rainfall
