40.1- 40.2- Biomes

• The Layers

  Photic Zone- Region, sufficient light for photosynthesis

  Aphotic Zone- Little Light penetrates, unable to photosynthesize

  Littoral Zone- Water close to the shore -- deep-rooted plants

  Limnetic Zone- Too deep for Plants

  Benthic Zone- Organic and Inorganic sentiments (under the sea)

  Estuary- Transition Zone between a river and the sea
• Benthic zone - Bottom of lake or ocean
• Thermocline- narrow Stream of Abrupt temperature changes in the ocean and in many temp-zone lakes
• Ocean- The Larges Marine Biome
• Oligotrophic Lakes- Nutrient-poor and generally Oxygen Rich
• Eutrophic Lakes- Nutrient rich and often oxygen poor
• Why are Eutrophic Lakes like this?

  This is because High rates of decomposition occurs in the deeper parts of the lakes layers of the Europhic lakes periodically causes oxygen depletion. -Sometimes Oligotrophic Lakes may become Eutrophic Lakes
• In the ocean and in the moist lakes, an abrupt temperature change called thermocline separates a more uniformly warm upper layer for more uniformly cold deep water
• Climate- Long term prevailing weathers and conditions at a given place (includes temp, precipitation, sunlight, and wind)
• Global Climate is depended by inputs of Solar Energy and Earth's Movement
• Solar Radiation- causes the global patterns

  • In 30 degrees, they absorb
  • In 60 degrees, they release air flow: rain, many flowing to poles -(north and south)
• Climograph- Shows that temp and precipitation are correlated with biomes and other factors that affect biome locations
• Terrestrial biomes are often named for major physical or climate factors for their predominant vegatation
• The Tundra is described has having long summer and short winters due the expansive side of the artic areas having less snowfall of 20-60
• Trophics high temperature evaporates water and cause warm moist air to rise releasing over lengths
• Dry air decends at ap 30-60 north and south causing deserts and hot areas to occur within those regions
• Ecologist- An expert in ecology-the study of Ecology
• Latitude Variation- Caused by solar radiation creating global patterns. In 30* they absorb, and in 60 they release hair
• Bodies of Water- Oceans help reduce heating or cooling air masses
• If the direction of Earth's rotation reversed, winds would blow from west to east along the equator
• Trees are rare in the savanna biome because of frequent fires !
• A particular mountain range is subjected to prevailing winds. Which of the following contributes the most to a drier climate on the leeward side of the mountain range?

  
  

  air expanding and cooling on the windward side of the range
• Palm trees and subtropical plants are commonplace in Land's End, England, whose latitude is the equivalent of Labrador in coastal Canada, where the local flora is subarctic. Direction of ocean currents contributes the most to the differences between these two biomes
• In mountainous areas of western North America, which type of plant life would you expect to find on a southern-slope of a mountain?There would be drought-tolerant plant.
• A cosmic catastrophic event occurred that caused the tilt of the Earth's axis relative to its plane of orbit to increase from 23.5 degrees to 90 degrees. The most obvious effect of this change would be no more seasonal variations
• an intrinsic physiological factor that can regulate population size is the hormonal changes in response to aggression.