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Mastering Biology - Ch 52
Terms in this set (57)
What are the two major factors determining the distribution of terrestrial biomes?
temperature and rainfall
Which of these biomes is characterized by little rainfall?
Which of these is the largest terrestrial biome on Earth?
Which biome is characterized by an extensive canopy that allows little light to penetrate to the ground and by the presence of epiphytes?
tropical rain forest
Which biome is characterized by the prescence of permafrost?
Which action influences the abiotic components of an organism's environment?
Which aspects of a region's climate have the most impact on plants and animals?
temperature and moisture
True or False? Weather is defined as the prevailing long-term atmospheric conditions in a particular region.
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.
Which of the following statements about Hadley cells is true?
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.
Which location on Earth receives the MOST SOLAR RADIATION per unit area?
What are rain shadows?
Dry regions on the LEEWARD side of mountain ranges.
Which desert is caused by a Hadley cell?
Sahara Desert in Africa
Which is the most inclusive level of organization in nature?
Which of the following causes Earth's seasons?
Earth's tilt on its axis
Which of the following investigations is an example of the study of an abiotic factor?
investigating how the amount of annual precipitation affects the distribution of a tree species
In most cases, the two major climatic factors affecting the distribution of organisms in terrestrial ecosystems are _____
water and temp
What is a biome?
a major type of ecosystem; a biome is a type of community with certain abiotic environmental conditions
Which of the biomes - tundra, coniferous forest, temperate broadleaf forest, temperate grassland, savanna, chaparral, desert, tropical rainforest - requires periodic fires to maintain their existence?
savanna, chaparral, temperate grassland, and coniferous forest
*fire prevents the replacement of dominant species
a- or an-
without, lack of, not
from, out of, remove
Which of the following areas of study focuses on the exchange of energy, organisms, and materials between ecosystems?
Which of the following biomes is correctly paired with the description of its climate?
tropical forests - nearly constant day length and temp
Which of the following is characteristic of most terrestrial biomes?
vegetation demonstrating vertical layering
The oceans affect the biosphere in all of the following ways EXCEPT
regulating the pH of freshwater biomes and terrestrial groundwater
When climbing a moutain, we can observe transitions in biological communities that area analogous to the changes
in biomes at different latitudes
WHAT IF? If the direction of Earth's rotation reversed, the most predictable effect would be
winds blowing from west to east along the equator
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?
Disturbances can create patches of different habitats in a community
Which statement accurately describes the potential effects of disturbances on species diversity?
Many species are well adapted to survive periodic disturbances
Which two factors influence the distribution of organisms?
temperature and rainfall