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38 Cards in this Set
- Front
- Back
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Define ecology |
Study of interactions between organisms and their environments |
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Define community |
All species living in a particular area |
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Define ecosystem |
A bilological community plays all the abiotic components influencing the community |
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Define biosphere |
Region of air water and land that supports life |
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Define biogeography |
Study old the distribution past and present of individuals species |
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List factors that affect the distribution of organisms |
Dispersal limitations behavior/habital selectio, biotic and abiotic factors |
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Give examples of dispersal limitations |
Ability time and accesability |
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Examples of biotic factors |
Predation disease competition absence of mutualists |
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Example of abiotic factors |
Temperature water rocks and soil wind and light |
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Define climate |
Prevailing weather conditions in a region |
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Define biomes |
Major types of ecosystems that occupy broad geographic regions |
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Define solar radiation |
Major determinate of global climate patterns |
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What does solar radiation affect |
Temperature, air movements, and evaporation |
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Where is solar radiation most intense |
The tropics |
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What climates appear at 60 and 30 degrees |
91st climates 60, deserts 30 |
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What is the coreolus affect |
Curvature is caused by the spinning of the earth |
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What are local and seasonal effects on climate |
Water proximity microclimate and topography |
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What region is home to half of the species on the planet |
The tropical rainforest |
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Describe tropical rainforests |
Vines, epiphytes, closed canopy,vertical stratification, wet vs dry, |
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Describe savanna |
Grasslands with scattered trees herbivores and. Fire adpated |
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Describe desserts |
Sparse rainfall, organisms adapted to arid conditions, protective adaptations to prevent herbivory |
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Describe chaparral |
Scrublands fire adapted, rainy winters dry,hit summers 30 degrees latitude |
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Describe Temperate grasslands |
Trees prevented by seasonal fores, large herbivores, fertile soil |
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What ecosystem is the most threatened in north America |
Temperate grasslands |
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Describe temperate deciduos forests |
More moisture, stratification, wi,ter deciduos |
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Describe coniferous forests |
Cone bearing vs boreal |
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Describe tundra |
Permafrost, bitterly cold, windy, wet in summer due to impermeable frost |
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What are the 3 aquatic biomes |
Fresh, marine, estuary |
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Two types of fresh water lakes and streams |
Oligotrophic, eutrophic |
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Describe wetlands |
Freshwater,swamps bogs, seasonal pool, marshes |
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Define global ecology |
Examines how the regional exchanges of energy and materials influences the functioning and distribution of organisms across the biosphere |
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Define landscape ecology |
Focuses on the factors controlling exchanges of energy, materials and organisms across multiple ecosystems |
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Define ecosystem ecology |
Emphasizes energy flow and chemical cycling between organisms and the,environment |
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Define community ecology |
Examine how species interactions such as predation and competition affect community structure and organization |
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Define population ecology |
Analyzes factors that affect,population size,and how and why it changes through time |
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Define organismal ecology |
How and organisms structure physiology and behavior meet the challenges posed by its environment |
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What four physical factors are important components of climate |
Temperature, precipitation, sunlight, and wind |
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Two scales of climate patterns |
Macroclimate and microclimate |
