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Systems ecology

Chpt 4 powerpoint Miller 13th

Subject: 
Environmental Science
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Biology
Ecology
Systems ecology
metabolism
microbiology
Biogeochemical cycle
Biogeography
ecosystem
Natural environment
Autotroph
Nutrient cycle
organism
Environment

ECOSYSTEMS: COMPONENTS, ENERGY FLOW & MATTER CYCLING CHAPTER 4 ECOLOGY Study of the relationships between organisms and their environment How organisms interact with their nonliving environment such as sunlight, temperature, moisture, nutrients, etc. KEY WORK IS: INTERACT - Connections in Nature What is an organism? What make up organisms? Organisms are either: EUCARYOTIC - SURROUNDED BY A MEMBRANE HAVE A DISTINCT NUCLEUS HAVE INTERNAL ORGANELLES All organisms except bacteria. PROCARYOTIC - SURROUNDED BY A MEMBRANE NO DISTINCT NUCLEUS NO INTERNAL PARTS SURROUNDED BY MEMBRANES Bacteria What is a SPECIES? How do species differ? What is the difference between sexual and asexual reproduction? Number of species on earth is not known 5 million to 100 million maybe

Chapter 3 APES notes

Subject: 
Environmental Science
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Biology
Ecology
Chemistry
Geochemistry
Systems ecology
Biogeochemical cycle
Biogeography
Food web
Natural environment
Carbon Cycle
ecosystem
Primary production
Environment

Ecology -The study of how organisms interact with one another and their physical environment of matter and energy. All living organisms are composed of cells. Cell-the smallest and most fundamental structural and functional units of life. The idea that all living things are composed of cells is called cell theory. Organisms can be classified as either eukaryotes or prokaryotes A eukaryote is a cell surrounded by a membrane that has a distinct nucleus and other internal parts called organelles. A prokaryote is a cell surrounded by a membrane but has no distinct nucleus or organelles surrounded by membranes. For a group of sexually reproducing organisms a species is a set of individuals that can mate and produce fertile offspring.

Biome Characteristics

Subject: 
Environmental Science
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SocialTags: 
Biogeography
Physical geography
Systems ecology
Ecoregions
Ecosystems
Forests
Habitats
Trees
savanna
Tropical and subtropical dry broadleaf forests
Biome
Tropics
Environment
Tags: 
Biogeography
Systems ecology
Forests
Habitats
Physical geography
Ecosystems
Botany
Rainforests
Temperate coniferous forest
Tropical and subtropical moist broadleaf forests
Deciduous
Savanna
Environment
biomes climate terrestrial biodiversity desert forest grassland

Tropical forest Within 23 N/S Canopy 4% of land space, but 20% photosynthesis of the Earth most diverse species on Earth Tall trees- Tropical dry forests Tropical deciduous forests Tropical rain forests Dim floor Epiphytes cover trees Savannas Tropic/subtropic grass land Rainy/dry seasons Scattered trees Mammals move deserts 23 N/S Low/unpredictable rains Hot and cold CAM photosynthesis plants Water storage adaptation Draught-resistant plants chaparral Along coastlines in midlatitudes Mild/rainy winter Hot/dry summer Dense, spiny evergreen shrubs Maintained by periodic fire Temperate grass land NE USA etc Deep and rich soil in nutrition Low total annual rain Inhospitable for forest Maintained by fire/drought/grazing Temperate deciduous forests

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