CHAPTER 3- Community Ecology. This PowerPoint presentation requires you and a partner to DISCUSS… I will pick on you to contribute to the discussion,

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Presentation transcript:

CHAPTER 3- Community Ecology

This PowerPoint presentation requires you and a partner to DISCUSS… I will pick on you to contribute to the discussion, so BE PREPARED!!!

3.1 The Distribution of Organisms  Organisms living in the world biomes are specialized to their particular condition

Climate  Long-term pattern (average) of temperature and precipitation (e.g. rain, snow) in an area Climate and weather are different!! Weather  Daily, weekly variation of temperature and precipitation

WEATHER: Today, Vancouver is sunny and 25 degrees CLIMATE: Vancouver has 100mm of average precipitation and an average temperature of 10 degree

Climate  Climate determines where different organisms can/ cannot live  Climate affects the abiotic factors of ecosystem Name some abiotic factors of an ecosystem that can be affected by climate. Explain how.

Climate So why is California hot and sunny, while Vancouver is cool and rainy most of the time? Hopefully, you don’t think that she is the reason why California is “hot”

Climate Determined by location on Earth 1. Latitude –distance from equator e.g. Vancouver is at 49 o North

Why is it warmer at the equator and cooler at the poles? How do we get seasons?

2. Elevation- height above sea level Climate

Climates are affected by wind (Warm air moves from equator to pole), driving ocean currents  Ocean meets continents  warm moist air cools and precipitate (e.g. Vancouver!!)  Over mountains  Dry (e.g. Calgary over the Rock Mountains) (e.g. Calgary over the Rock Mountains)Climate

Review: World Biomes ADD TO YOUR NOTES/ PAMPHLET

 Little precipitation; Permafrost  Small plants  Oxen, caribou, fox, squirrels, birds (summer) Tundra

 More moisture than Tundra  Most of Canada  Conifer trees (cones) e.g. pine, fir  Deer, Moose, elks, birds Boreal Forest (Taiga)

Temperate Deciduous Forest  Southeastern Canada  Richer soil than boreal forest  Amphibians, reptiles, small mammals, birds

  Vancouver BC (rare)   Thick rich soil (rapid decay on floor)   Bears, wolves, cougars, deer, insects, voles, shrews Temperate Rainforest

 Low rainfall= No trees  Often converted to farmlands  E.g. Savannas  Elephants, giraffes, rhinos, rabbits, snakes, coyotes, hawks, foxes Grassland

 Warm, lots of rain  Huge biodiversity (different species)  Nutrients are in plants/ animals; soil is infertile Tropical Rainforest

 Dry  Adaptation to conserve water (e.g. Cactus) Desert

 Permanent Ice (North & South Poles)  No land plants, no herbivores  Polar bear, penguins, seals, belugas Polar Ice

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