Mastering Biology – Ch 52

question

What are the two major factors determining the distribution of terrestrial biomes?
answer

temperature and rainfall
question

Which of these biomes is characterized by little rainfall?
answer

desert
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Which of these is the largest terrestrial biome on Earth?
answer

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?
answer

tropical rain forest
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Which biome is characterized by the prescence of permafrost?
answer

tundra
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Which action influences the abiotic components of an organism’s environment?
answer

water pollution
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Which aspects of a region’s climate have the most impact on plants and animals?
answer

temperature and moisture
question

True or False? Weather is defined as the prevailing long-term atmospheric conditions in a particular region.
answer

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.
question

Which of the following statements about Hadley cells is true?
answer

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?
answer

Equator
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What are rain shadows?
answer

Dry regions on the LEEWARD side of mountain ranges.
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Which desert is caused by a Hadley cell?
answer

Sahara Desert in Africa
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Which is the most inclusive level of organization in nature?
answer

biosphere
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Which of the following causes Earth’s seasons?
answer

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?
answer

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 _____
answer

water and temp
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What is a biome?
answer

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?
answer

savanna, chaparral, temperate grassland, and coniferous forest *fire prevents the replacement of dominant species
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trans
answer

across
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eu
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true, good
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logy
answer

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
answer

life
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de
answer

from, out of, remove
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prim
answer

first
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zoo
answer

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
answer

water
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sub
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under, below
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herb
answer

grass
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carn
answer

flesh
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omni
answer

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?
answer

landscape ecology
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Which of the following biomes is correctly paired with the description of its climate?
answer

tropical forests – nearly constant day length and temp
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Which of the following is characteristic of most terrestrial biomes?
answer

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?
answer

Many species are well adapted to survive periodic disturbances
question

Which two factors influence the distribution of organisms?
answer

temperature and rainfall

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