Sustaining Earths Ecosystem Ecology - The study of

Sustaining Earths Ecosystem Ecology - The study of

Sustaining Earths Ecosystem Ecology - The study of Living things and their Environment biosphere - the area on and near Earths surface where living things exist. Biotic vs. Abiotic

Biotic : living things E.g. plants, animals, bacteria, micro-organisms, fungi. Abiotic : non-living things E.g. precipitation, air, temperature, rocks, soil, sunlight.

Ecological Hierarchy Organism can reproduce with one another is called species SEVERAL ORGANISMS MAKE UP POPULATIONS VARIOUS POPULATIONS MAKE UP A COMMUNITY

ALL COMMUNITIES MAKE UP AN ECOSYSTEM include interaction between its physical environment (ABIOTIC) MANY DIFFERENT ECOSYTEMS MAKE UP A BIOME WITHIN ECOSYSTEMS ARE HABITATS IN WHICH AN ORGANISM LIVES The role an organism has

within an ecosystem in order to survive grow, reproduce is called its Niche Which one is BC, and which one is New Zealand? Fiordland National Park New Zealand

Pacific Rim National Park, Tofino, BC. If biotic and abiotic conditions are the same, similar biomes can exist far apart. Examples Examples of of Biomes Biomes

Examples of terrestrial (land-based) biomes Boreal forest Desert Grassland Permanent ice Temperate deciduous forest Temperate rainforest Tropical rainforest

Tundra. What What do do you you notice notice about about each each biome biome (location)?

(location)? Biomes are classified based on abiotic factors, biotic factors and their interactions (Abiotic) Temperature Precipitation (rainfall, snow, mist, fog) Latitude, Elevation, and Ocean currents. (Biotic)

Biomes can also be classified by the types of plants that grow there Which Biome is associated with the following: 1. The region has an average annual precipitation of about 175 cm and an average annual temperature of 5C. 2. The region ranges in temperature between 0C and 20C and receives about 100 cm of rain. 3. The region has low average annual precipitation and an average annual temperature that ranges between 18C and 8C. 4. The region has high average annual precipitation and an average annual temperature of

15C. Climatographs Climatographs A climatograph shows the average temperature and precipitation for a location over a period of 30 years or more.

Biomes are often defined using information in climatographs. Latitude - is the distance north and south from the equator. Latitude influences both temperature & precipitation. Elevation: height above sea level - affects temperature, the higher the elevation, the colder it is (permanent ice)

Ocean Currents carry warmth and moisture to coastal areas Biomes Biomes and and Adaptations Adaptations Why is a cactus in the desert or a caribou on the tundra. Many of these characteristic factors have special adaptations for that biome.

An adaptation is a characteristic that allows an organism to better survive and reproduce. 33 Types Types of of Adaptations Adaptations 1. Structural adaptation a physical feature that helps an organism survive Example: Arctic fox has adapted its coat

color to suit its environment with white fur in the winter to blend in, and brown fur in the summer . 2. Physiological adaptation a physical or chemical event inside the body of an organism that allows it to survive Example: A wolf maintains a constant body temperature. 3. Behavioural adaptation a behaviour that helps an organism to survive

Example: Bats are nocturnal so that they sleep during the day and then come out at night when the temperature is more comfortable

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