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Systems ecology

Living Environment - Ecology Review

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The Living Environment The study of organisms and their interactions with the environment. Topics Unit 1: Ecology Unit 2: The Cell Unit 3: Genetics Unit 4: History of Biological Diversity Unit 5: The Human Body Unit 1: Ecology Principles of Ecology Communities, Biomes, and Ecosystems Population Ecology Biodiversity and Conservation Ecology The study of living organisms and their interaction with the environment. Biosphere The portion of Earth that supports life. Ecosystem a biological community and all of the abiotic factors that affect it. BIOTIC FACTORS ABIOTIC FACTORS Producers (plants) Atmospheric gases (air) Consumers (Herbivores/Carnivores) Water Decomposers (bacteria/fungi) Sunlight other Single-celled Organisms Rocks and other soil sediment

Living Environment- Ecology Notes

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The Living Environment The study of organisms and their interactions with the environment. Topics Unit 1: Ecology Unit 2: The Cell Unit 3: Genetics Unit 4: History of Biological Diversity Unit 5: The Human Body Unit 1: Ecology Principles of Ecology Communities, Biomes, and Ecosystems Population Ecology Biodiversity and Conservation Ecology The study of living organisms and their interaction with the environment. Biosphere The portion of Earth that supports life. Ecosystem a biological community and all of the abiotic factors that affect it. BIOTIC FACTORS ABIOTIC FACTORS Producers (plants) Atmospheric gases (air) Consumers (Herbivores/Carnivores) Water Decomposers (bacteria/fungi) Sunlight other Single-celled Organisms Rocks and other soil sediment

Campbell Biology 9th Edition - Ch. 55 Ecosystems

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Chapter 55: Ecosystems Ecosystems Ecosystem = sum of all the organisms living within its boundaries (biotic community) + abiotic factors with which they interact Involves two unique processes: Energy flow Chemical cycling Overview of energy & nutrient dynamics Energy Flow in an Ecosystem Energy cannot be recycled ? must be constantly supplied to an ecosystem (mostly by SUN) The autotrophs (?self feeders?) are the primary producers, and are usually photosynthetic (plants or algae). They use light energy to synthesize sugars and other organic compounds. Heterotrophs (?other feeders?) ? can?t make own food Heterotrophs are at trophic levels above the primary producers and depend on their photosynthetic output.

Campbell Biology 9th Edition Ecology Outline

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AP BIOLOGY NOTES ON ECOLOGY (CHAPTERS 50 ? 55) CHAPTER 50 ? INTRODUCTION TO ECOLOGY AND THE BIOSPHERE YOU MUST KNOW: The role of abiotic factors in the formation of biomes. Features of freshwater and marine biomes Characteristics of the major terrestrial biomes NOTES: WHAT DOES ECOLOGY STUDY? Ecology ? the Study of Interactions Between Organisms and the Environment Organisms all live in complex environment that include: Abiotic components ? The nonliving components of the environment such as water, light, temperature, nutrients, soil. Biotic components ? the living components of the environment such as other organisms as foods, other resources, or predators. These environmental factors limit the geographic range (distribution) and the abundance of species.

Campbell Biology 9th Edition Ecology Notes

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AP BIOLOGY NOTES ON ECOLOGY (CHAPTERS 50 ? 55) CHAPTER 50 ? INTRODUCTION TO ECOLOGY AND THE BIOSPHERE YOU MUST KNOW: The role of abiotic factors in the formation of biomes. Features of freshwater and marine biomes Characteristics of the major terrestrial biomes NOTES: WHAT DOES ECOLOGY STUDY? Ecology ? the Study of Interactions Between Organisms and the Environment Organisms all live in complex environment that include: Abiotic components ? The nonliving components of the environment such as water, light, temperature, nutrients, soil. Biotic components ? the living components of the environment such as other organisms as foods, other resources, or predators. These environmental factors limit the geographic range (distribution) and the abundance of species.

Intro to Ecology

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Ecology Section 3.1 Today we will? Content Objectives Use prior knowledge and group discussion to problem solve. Intro to Ecology Language objectives Take a pretest Complete a worksheet with a group Activity today: In your groups you will? Work together without using your book to answer the questions. You must discuss and come to a group consensus. Meaning: the definition must be discussed, it can?t be just what 1 person says. When you are done, come ask me what to do next. Ecology What do you think?? Tell me what you thought ecology was before you corrected. Ecology: The study of the interactions between organisms and the biotic and abiotic factors of their environment. What is abiotic? What is biotic? All the living factors of any ecosystem

AP Biology Notes on Ecology

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UNIT 15 - ECOLOGY List of Terms Ecology: study of interactions of organisms with their environment and with each other Population: group of individuals of one species in one area that can breed and interact with one another Community: all the organisms in one area Ecosystem: All the organisms in an area and abiotic factors in that area Abiotic factors: nonliving, include temperature, water, sunlight, wind, rocks, etc. Biosphere: global ecosystem Biotic potential: max rate at which a population can increase under ideal conditions Influenced by factors like age at which reproduction begins, lifespan during which you can reproduce, # of reproductive periods in lifetime, and the max # of offspring the organism can produce

Biome Characteristics

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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

Ch. 54 Outline

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Chapter 54 Ecosystems Lecture Outline Overview: Ecosystems, Energy, and Matter An ecosystem consists of all the organisms living in a community as well as all the abiotic factors with which they interact. The dynamics of an ecosystem involve two processes that cannot be fully described by population or community processes and phenomena: energy flow and chemical cycling. Energy enters most ecosystems in the form of sunlight. It is converted to chemical energy by autotrophs, passed to heterotrophs in the organic compounds of food, and dissipated as heat. Chemical elements are cycled among abiotic and biotic components of the ecosystem. Energy, unlike matter, cannot be recycled.

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