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Geog 5 biomes
Terms in this set (26)
Relatively stable annual temperatures -> mild summers and winters
Distinct rainy and dry season, but not a lot of rain fall.
Mediterranean, socal, chile, south africa
examples of chaparral
shrubby plants, that sometimes have hairs on leaves, and are adapted to fire
What are the main type of plants in chaparral?
Temperatures are relatively stable, with distinct seasons. Distinct rainy and dry season, with relatively large amounts of rainfall.
brazil, venezuela, africa, australia
What are some examples of tropical savanna?
grassland and scattered trees, fire adapted, leaves on trees are high up
What are the plant characteristics of tropical savannas?
Extremely dry year round; hot in the summer, and can get very cold in the winter
Plants often have no leaves; chlorophyl is on the trunk of the plant; may have spines or hairs that reduce wind flow around plant, reducing evaporation; may be annuals that respond quickly to rain
What are some of the plant characteristics of desert plants?
cold winters, warm summers; some seasonality in rainfall--but a fair amount of precipitation
Are grasslands fire adapted?
temperate deciduous forest
large seasonality in temperature; relatively steady precipitation levels
midwest US, some of S Africa
examples of grassland
US NE, Japan, western Europe
examples of deciduous forest
Leaves tend to be large and delicate —> good for harvesting light (usually not limited by precipitation)
Leaves die every year, so plants try to crank out photosynthesis during the summer months
Consistent nature of seasonal changes allow these plant strategies to work
Tend to exist at higher latitudes, where light is hitting the Earth at a sharper angle —> because of this, leaves are distributed laterally along branches
Plant characteristics of temperate deciduous forest
temperate rain forest
seasonal variations in both temp and precipitation; overall a lot of rainfall during the whole year
examples of temperate rain forest
Needle like leaves
Epiphyte strategy is common. Fire adapted. Many trees will have thick bark and cones that require fire to open
plant characteristics of temperate rain forest
temperate deciduous forest
Which has more seasonal variation? temperate rain forest or temperate deciduous forest?
boreal forest / taiga
large temp seasonality; precipitation is stable, but relatively low (enough precipitation to support trees)
since temp is cold, low sat vap pressure, and decent amount of precip
What explains the precipitation of boreal forest?
Needles protect trees from cold; some cells push out water to prevent freezing (extracellular freezing); fire resistant — thick bark;
plant characteristics of boreal forest
low precipitation and very cold most of the year
tree growth is hindered by low precipitation; dark color to absorb sunlight
plant characteristics of tundra
high amounts of precipitation and warm with almost no seasonal variability
competition drives survival (many different plant strategies to compete)
Tall trees to get sunlight, epiphytes, shallow roots (soils dont have a lot of nutrients—most of the nutrients are at the surface)
NOT adapted to fire
plant characteristics of tropical rainforest
Recommended textbook explanations
Campbell Biology (AP Edition)
Cain, Jackson, Minorsky, Reece, Urry, Wasserman
Fundamentals of Biochemistry
Charlotte W. Pratt, Donald Voet, Judith G. Voet
Lisa A. Urry, Michael L. Cain, Peter V Minorsky, Steven A. Wasserman
Lehninger Principles of Biochemistry
David L Nelson, Michael M. Cox
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