41. Biomes biomes Major ecosystems of the World WORLD DISTRIBUTION OF biomes, ecosystems,SPECIES biogeography - the study of the distribution of species; http://drjoe.biology.ecu.edu/ch07/biomes.htm

BIOMES - Major Ecosystems of the World WORLD DISTRIBUTION OF BIOMES, ECOSYSTEMS, SPECIES BIOGEOGRAPHY - the study of the distribution of species BIOMES are the largest discernible subdivision of the biosphere with similar life forms (deserts, grassland, rainforest, etc.); it is a kind of ecosystem that can span continents. Biome boundaries of North America Biome boundaries of the World Biome boundaries and life forms that are present are determined by climate. Climate is the average temperature and moisture conditions present in an area. Climate influences the vegetation present ( See Fig. 7.15 or Figure B2 ). Areas with low rainfall and warm conditions are deserts; areas with high rainfall and hot conditions are rainforests; areas with low rainfall and cold conditions are tundra, etc. Similar biomes occur in different parts of the world: rainforests occur in Africa, Asia, and South America. Biomes can differentiated by the plants and animals present; they are adapted to their biome's cliamte. Rainforest plants have specific tolerance limits for high temperature and high precipitation. Desert cacti are adpated for high temperature and low precipitation. What would happen if we moved a rainforest fern to a desert or a cactus to a rainforest? Different species are present in the same biome in different parts of the world. Example: trees in the northern coniferous forest (taiga) in Canada and Russia are different species, but look similar. Species in the same biome have undergone similar evolutionary pressures.

42. Biology 4505, Biogeography And Systematics Week 4 Climate and biogeography (EE) C M ch. 4. 23 Sept. What is climate,and what controls it? 25 Sept. ecosystems and biomes. 27 Sept. http://www.mun.ca/biology/scarr/4505_Schedule.htm

Biology 4505, Biogeography and Systematics Instructors: Evan Edinger, Richard Haedrich, Paul Snelgrove, Steve Carr MWF AM; SN 4040. LAB: F 2-5 PM, SN 4040 or field Date Lecture Topic Assigned readings. Week 1 Introduction 6 Sept. Course introduction, history of biogeography (all) Lab: (no lab) Week 2 biodiversity (PS) 9 Sept. Biodiversity: definitions 11 Sept. Biodiversity: measurements 13 Sept. Biodiversity gradients Lab: Computer lab: calculating biodiversity measures. Week 3 Distributions and their origins (RH 16 Sept. The nuts and bolts of biogeography: the big 19 th century expeditions choose organism groups for posters/term papers 18 Sept. Importance of taxonomy in biogeography 20 Sept. Relationship between systematics and biogeography Lab: Computer lab: calculating biogeographic measures. Week 4 Climate and biogeography (EE) 23 Sept. What is climate, and what controls it? 25 Sept. Ecosystems and biomes 27 Sept. Climate zones and vegetation Lab: Field trip: plant diversity at the MUN botanical gardens Week 5 A brief history of life (EE) 30 Sept.

43. The Environmental Literacy Council - Biomes this online course material for her biogeography class. of the world's major biomes,by University of houses detailed information about ecosystems and species http://www.enviroliteracy.org/subcategory.php/13.html

Home About ELC Site Map Contact Us ... Food Biomes One way of understanding differences in the ecological makeup of the earth’s surface is to divide it into biomes. A biome is an ecological zone whose uniformity is defined by the type of plant life that dominates within it. This makes sense for scientists because plant life will often give a strong indication of other ecological features of a zone, such as animal life and soil type. Because biomes are defined by plant life rather than region, some biomes can stretch around the world. For example, the biome known as the Boreal Forest (Boreal means “northern”) covers much of northern Europe, Russia, and Canada. The Boreal Forest is defined by the predominance of conifers (trees with needles, not leaves). There is more than one way to divide up the world’s biomes, but most divisions are variations on or combinations of the following commonly used categories: boreal forest (conifers), temperate forest (hardwoods or mixed hardwoods and conifers), tropical forest, desert, alpine (mountain) zone, grassland, and tundra. One commonly cited biome that doesn’t easily fit within these other divisions is the chaparral or Mediterranean shrubland, which is found in European, North African, and western Asian coastal lands along the Mediterranean, as well as in coastal California. The chaparral features hardy shrub-like plants that have evolved to conserve moisture from winter rains during a long, arid summer. Biomes From MBGnet This page from the Missouri Botanical Garden (MBG) , offers in-depth descriptions of biomes aimed at a younger secondary audience. However, its illustrated descriptions are quite useful at any level. The site also includes discussion of marine and fresh water ecosystems.

44. ENC: Curriculum Resources: Elemental Geosystems (ENC-015364, Full Record) landscapes Coastal processes and landforms Glacial and periglacial landscapes Part4. biogeography The geography of soils ecosystems and biomes Earth, humans http://www.enc.org/resources/records/full/0,1240,015364,00.shtm

Skip Navigation You Are Here ENC Home Curriculum Resources Advanced Search ... Ask ENC Explore online lesson plans, student activities, and teacher learning tools. Search Browse About Curriculum Resources Read articles about inquiry, equity, and other key topics for educators and parents. Create your learning plan, read the standards, and find tips for getting grants. Elemental geosystems ENC#: ENC-015364 Edition: Second edition. Publisher: Prentice Hall Date: Ordering Information Grades: 12 Post-secondary Abstract: User Comments: None currently available. Add a User Comment for this resource. Record Created: Last Modified: Contents: Preface Foundations of geography. Part 1. The energy-atmosphere system Solar energy, seasons, and the atmosphere Atmospheric energy and global temperatures Atmosphere and oceanic circulations Part 2. Water, weather, and climate Atmospheric water and weather Water resources The dynamic planet Earthquakes and volcanoes Weathering, karst landscapes, and mass movement Rivers and related landforms Wind processes and desert landscapes Coastal processes and landforms Glacial and periglacial landscapes Part 4. Biogeography

45. Geography Of Environmental Systems EnergyAtmosphere System, The Water, Weather and Climate Systems, Landforms (TheEarth-Atmosphere Interface), and biogeography (Soils, ecosystems, and biomes). http://www.geog.umd.edu/homepage/courses/201/201-211_SP03/

Geography of Environmental Systems Geography 201, Spring 2003 Instructor: Ralph Dubayah Office Phone: 301-405-4069 Office: 1149 LeFrak Hall Office Hours: Wed. 11am - 12 noon Email: dubayah@geog.umd.edu Teaching Assistants: Gregory Bryan: gbryan@glue.umd.edu Charles McCallum: mccalluc@glue.umd.edu Announcements Remember that next week (4/7 and 4/11) is a field lab for folks in 211. Gather at the scheduled time near the far end of the engineering building (closest to Route 1), and from there we'll walk to Paint Branch. Long pants and old shoes would be a good idea. Old announcements Check Out GEOG 448, Field Methods for the fall. Review questions are here *** IMPORTANT!!! THE EXAM WILL TAKE PLACE AS ORIGINALLY SCHEDULED ON THURS. MARCH 6!!! Therefore 211 will be cancelled for the week of March 3rd. Folks in the friday sections: We'll be starting in on exercise 1 in the lab manual this week. Please bring the manual to class, with the homework completed (p. 9). Manuals are available for purchase ($15.35) at the College Copy Center, 7319 Route 1 (It's in the basement). Please do this soon because it may be out of stock and they may need to print more. Links Lecture slides Lab material Objectives Geography 201 is an introduction to physical geography, a natural science allied with sciences such as geology, climatology, meteorology, oceanography, hydrology botany and agronomy. The geographic perspective is unique in that it integrates not only the individual systems that have commonly been associated with a single discipline, but also the interaction of these systems within a framework we call Earth System Science. The major objective of this class is to provide a fundamental understanding of the physical environment we live in. In doing so, the course will provide the basis for comprehending modern environmental issues, including those affected by human activities.

46. Biomes, Ecosystems,Biodiversity BACKGROUND INFORMATION ABOUT biomes communities Biotic communities Endangered ecosystemsBiosphere Gaia hypothesis Geobiology biogeography Biosphere 2 http://janeconstant.tripod.com/Biomes.htm

Get Five DVDs for $.49 each. Join now. Tell me when this page is updated Work in progress... BIOMES, ECOSYSTEMS, BIODIVERSITY SELECTED RESOURCES Keeley Library Revised January 23, 2001 See also related topics: Marine Environment Genetics and Evolution Biosphere, Ecology Pollution BACKGROUND INFORMATION ABOUT BIOMES in World Book Encyclopedia Chicago:World Book, 2001 Ref. 031 W927 1990 v.2 and v.6 in Encyclopedia Americana. Danbury, CT:Grolier, 1999 Ref. 031 E56A 1999 v.3 Bolen, Eric G. "Biome" v. 2 Hall, Charles A.S. "Ecology" v. 6 Oho, David A. "Biome". v.3 BROWSING GUIDE 508'S Natural History 576's Genetics and Evolution 577's Ecology 578's Natural History of Organisms 333 Economics of Land and Energy 303, 304's Social behavior To locate item in our library network, search our New Web Cat™ using the following subjects. Ecology Nature study Biotic communities Biotic communities Endangered ecosystems Biosphere Gaia hypothesis Geobiology Biogeography Biosphere 2 (Project) BiosphereEncyclopedias Population biology Biotic communities.

47. BIOGEOGRAPHY--Lecture 6: Communities about plant and animal associations biomes are large and functions of communitiesand ecosystems energy flow biogeography tends to be less reductionist and http://www-personal.umich.edu/~grsmith/BIOGEOGRAPHY/lecture6.html

BIOGEOGRAPHY: Lecture 6 Communities Study questions for lecture 5: How do the questions of ecology and biogeography differ with respect to geographic and temporal scales? How do different interests in the theory of evolution affect the uses of ecological data by biogeographers and ecologists? Geographic limits of distribution and species interdependencies. e.g., biotic effects on physical factors: Atmospheric oxygen The role of algae in the PreCambrian Soil development Nitrogen-fixing bacteria and mycorrhizal fungi Communities may be located individually in time and space Clements (1616)communities have interlocking species and functions. Emphasis is on positive correlations in occurrence Gleason (1917), Whittaker (1975)communities are shifting associations. Correlations are often through uncontrolled variable effects. Biogeographic generalizations about plant and animal associations: Biomes are large, defined classes, not individuals: e.g., coral reefs, deserts, tropical rainforests

48. BIOGEOGRAPHY-Diversity And Distribution Of Plants And Animals Bi approach). PRINCIPLES OF ECOLOGICAL biogeography (Chapter 3). Physical climate.Distribution of Communities, biomes, ecosystems (Ch. 5 http://www-personal.umich.edu/~grsmith/BIOGEOGRAPHY/BIOGEOsyllabus.html

BIOGEOGRAPHY Diversity and Distribution of Plants and Animals Biology/Geology 445 (G. SMITH, Winter, 1999) B 11:30. Place: 1139 N.S. Biogeography , Sinaur INTRODUCTION (Chapter 1, 2) Overview: Questions, issues, and methods in the history of ecological and evolutionary biogeography, as exemplified by the works of: Lyell, Darwin, Wallace, Hooker, Sclater, Gray, Willis, Gleason, Matthew, Liebig, Merriam, Dansereau, Cain, MacArthur, Wilson, Pianka, Connell, Brown, Rosenzweig (ecological approach). Simpson, Mayr, Darlington, Croizat, Brundin, Rosen, Nelson and Platnick (systematic approach). PRINCIPLES OF ECOLOGICAL BIOGEOGRAPHY (Chapter 3) Physical factors that limit plant and animal ranges: solar energy, seasonal temperature distribution, moisture distribution, soils, topography, wind; ocean currents, light, salinity, depth/pressure. Biotic processes that limit geographic ranges (Chapter 4): niches (Hutchinson), productivity, food, predation, competition, facilitation, (Vandermeer; Werner), demography, genetics. Visit to Matthai Botanical Gardens: Plant exerciseplant life forms in relation to habitat and climate.

49. Biodiversity Endangered Lily. Ecosystem and Habitats. Forest ecosystems. Genetic Diversity.Introduction to biomes. Island biogeography. Landscape Ecology biogeography. http://www.spiritone.com/~gdy52150/bd.htm

Biodiversity Defined The flower on the left is the Minnesota Dwarf Trout Lily the one on the right is the Prairie Bush Clover, both are endangered. Presently biologists are agreed that approximately 70% of all plant species are in danger of becoming extinct. Biodiversity an Extensive Overview Biogeography Biomes Biomes of the World ... WRI's Description of Biodiversity

50. Chapter 54 Outline Chapter 54 biogeography (biomes Aquatic ecosystems) biogeographyA science that attempts to explain patterns in the variation http://www.colorado.edu/epob/epob1220cornwall/Spring_2001/Chapter54.htm

Biogeography: A science that attempts to explain patterns in the variation of individuals, populations, species and communities along geographic gradients. Biogeographic regions (fig 54.7) Species Distribution have been affected by .. Island Biogeography - a study of numbers of species and patterns of variation in populations and communities in various islsnd habitats. Habitat Islands: Species Richness (fig 54.9) - the number of different species in a given area Species Richness vs Species Evenness Species Diversity vs Species Endemism Endemic Species: Terrestrial Ecosystems (fig 54.11) Biomes: Areas of the planet where certain vegetation types are found (the various ecosystems on land) Ecosystem locations are determined by: Precipitation Temperature Edaphic factors Nutrient availability Light Latitude and Altitude However the two most important factors are: Biomes are actually named for their dominant vegitation type , but may also posess characteristic animal life. Representative Biomes (not all of the biomes) Tropical Evergreen Forrest (fig 54.24)

51. Unit 6 - The Behavior Of Organisms The Biosphere, Levels of Organization biogeography and Climate. Biogeochemical Cycles. ecosystems. biomes. 953 - Cycles and ecosystems http://www.users.nac.net/challoran/unit6.htm

Unit 6 BioTech's Life Science Dictionary UCMP Glossary The Interdependence of Organisms Topic of Study Online Reading NSTA Microunits Online Activities Standards and Benchmarks The Biosphere Levels of Organization Biogeography and ... WWW Virtual Library - Ecosystems Critical Ecoregions Program - Sierra Club NSES - B NSES - C NSES - D NSES - F ... NJCCCS - 5.12 Ecology Community Ecology Population Ecology 904 - Adaptations to Niches and Habitats ... Gypsy Moth - USDA Forest Service Africanized Honey Bees - AgNews Zebra Mussel - SUNY College at Brockport NSES - B NSES - C NSES - D NSES - F ... NJCCCS - 5.12 Human Ecology Human Population Growth Conservation ... Oil Spill Detection - Tromsø Satellite Station - One World Organization U.S. Census Bureau Home Page The World Village Project World Population NSES - A NSES - B ... Biology Syllabus Page Units

52. ECOSYSTEMS AND BIOGEOGRAPHY UNIT 8 ECOLOGY STUDY GUIDE KEYS TERMS ecosystems AND biogeography. ecosystem.biotic components. abiotic components. autotroph. heterotroph. biomes. biosphere. http://64.172.206.2/Internet/Academics/Coursesonline/APBio/Unit 8 - Ecology Stu

UNIT 8: ECOLOGY STUDY GUIDE KEYS TERMS - ECOSYSTEMS AND BIOGEOGRAPHY ecosystem biotic components abiotic components autotroph heterotroph biomes biosphere gross productivity net productivity net primary productivity detritus detritivore regulators conformers food chain food web producers primary consumers secondary consumers principle of allocation trophic levels pyramid of energy flow pyramid of biomass pyramid of numbers acclimation ultimate cause vs proximate cause biogeochemical cycles nitrogen fixation nitrification denitrification eutrophication biological magnification acid rain limiting factors Law of the Minimum Law of Tolerance QUESTIONS Using a diagram, describe the carbon cycle. Include in your description an explanation of how carbon enters and leaves the living system. Indicate the role of microorganisms such as bacteria in the cycle. Using a diagram, describe the nitrogen cycle. Include in your description an explanation of how nitrogen enters and leaves the living system. Indicate the role of microorganisms such as bacteria in the cycle. Diagram the flow of energy through an ecosystem. Include producers, decomposers, primary, secondary, and tertiary consumers. Distinguish between a food web and a food chain.

53. Today In ESCI 1401: 11/06/2000 Largescale biogeography biomes. biomes are Affected by Latitude and Altitudeternary diagram! Background Vocabulary. Polluting ecosystems. http://www.sci.tamucc.edu/pals/triada/esci/Loup/Week11.htm

Today in ESCI 1401: 11/06/2000 Don’t forget: Exam 3 coming up on the 15th o exam will be 70% objective, 30% critical thought o three thought questions, short answers o Chapters 13, 6, 7, and 9 Today o Wrap-up of Chapter 7 (Biological Diversity and Biogeography) Thursday o Chapter 9 (Ecosystem Succession and Restoration) Biological Diversity: Three aspects Genetic Diversity-total number of genetic characteristics, 400M for humans (gene composition) Habitat Diversity-habitats within an area Species Diversity- (figure 7.3) Richness: total number of species Evenness: relative abundance of species Dominance: the most abundant species Terms: Diversity and Evolution I Evolution of Life on Earth: Why do people have eyes that see in the visible portion of the spectrum? Why not in the UV? Why not in the thermal IR? o Do all animals see in the visible spectrum? If not, is the scientific explanation the same? Question for the next exam: Why is genetic diversity within a species a good survival technique? Diversity and Evolution II What is the relationship between the total # of species ( species richness ) and the relative abundance of a species ( species evenness ) and the concept of trophic levels?

54. Biogeography & Climatology Home Approaches to biogeography. Biodiversity (WEEK 2 Lectures). Patterns of distributionof biota. ecosystems, biomes Communities. (WEEK 3 Lectures). http://www.tesag.jcu.edu.au/subjects/GE2452/

Subject Outline Semester 1, 2002 Co-ordinator: Associate Professor Steve Turton Room 216, Building A2 Email: Steve.Turton@jcu.edu.au Ph: 40 421292 Fax: 40421284 click here to jump to lecture notes IMPORTANT NOTICE CONCERNING FIELD REPORTS I shall go over the field report requirements in the lecture this week (16 May). Don't miss this lecture, as this is the last opportunity to discuss the field reports with me. It is recommended that you only use the inclonometer data for constructing cross-sectional profiles. The dumpy level data is for noting only. The main idea was to demonstrate the use of the dumpy level, which is problematic in dense vegetation. The first field class report is now due on Friday 24 May The second field class report is now due on Friday 31 May LATE REPORTS WILL NOT BE EXCEPTED Field Trip Data (27/28 April 2002) Inclinometer Data (transect) [click here] Dansereau Data for main transect [click here] Microclimate data for 12.30 pm [click here] Microclimate data for 3pm [click here] Soil data for main transect [click here] Dumpy level data [click here] Dansereau data for dumpy transect [click here] Field Trip Data (4/5 2002) Inclinometer Data (transect 1) [click here] Inclinometer Data (transect 2) [click here] Dansereau Data for first transect (part A) [click here] Dansereau Data for first transect (part B) [click here] Dansereau Data for second transect [click here] Dansereau for southern transect [click here] More Dansereau data [click here] Microclimate data for transect 1

55. Biogeography And Ecology -- Index Distribution patterns; Communities, ecosystems and biomes; Fluctuations in distributionen speciation; Island biogeography; Influence of plate tectonics; Regions http://aivwww.rug.ac.be/Studentenadministratie/Studiegids/2001/EN/FACULTY/C_WE/C

Biogeography and Ecology Reference Lectured in First Year Second Cycle Geography - Geography First Year Second Cycle Geography - Geography Theory (A) Exercises (B) Training and projects (C) Studytime (D) Studypoints (E) Language of instruction Dutch Lecturer Hendrik Segers Semester second Department Co-lecturers Koen Sabbe Key Words Objectives Departing from basic ecological principles the distribution of living creatures on earth is elucidated. As well, the distribution patterns of species are being looked at in an evolutionary context. The key question is somewhat: "Why do species and numbers vary in space and time the way they do?" Contents Introduction and basic ecological concepts What is biodiversity? Distribution patterns Communities, ecosystems and biomes Fluctuations in distribution en speciation Island biogeography Influence of plate tectonics Regions and provinces Influence of fylogenetic relationships on biogeography Glacial periods Prognoses to the future. Course Material Handbook References Teaching Methods Lectures Evaluation Methods One-off examination Examination Methods Oral examination with written preparation Prerequisites Candidatural courses Zoology and Botany

56. UniMelb UGHB96 : 121-172 Global Ecology And Biogeography concepts and issues in contemporary biogeography at the of the world's major biomes(tropical, temperate and alpine assemblages, island ecosystems, wetlands). http://www.unimelb.edu.au/HB/1996/Arts/121/121-172.html

Handbook 1996 Faculty of Arts (Volume 3 page 84) Geography subject : Next: Search Help 121-172 "Global Ecology and Biogeography" appears differently in several places - choose the one you want: Geography , Faculty of Arts. Environmental Studies , Faculty of Arts. Geography , Faculty of Educ(Parkville). Geography , Faculty of Science. Geomatics , Faculty of Engineering. Geography , Faculty of Arts (v3, p84) : Next: Environmental Studies , Faculty of Arts (v3, p67) : Next: Geomatics , Faculty of Engineering (v4, p117) : Next: 121-172 Global Ecology and Biogeography Note: Students who have taken 121-172 Environmental Management in 1993 cannot receive credit for this subject due to overlap in subject content. Credit points: 12.5 1st year. Coordinator: Dr I Thomas. Contact: Two 1-hour lectures and a 2-hour laboratory per week. Two days of field work. Timetable: Second semester Objectives: At the end of this subject students should: be familiar with basic ecological concepts and issues in contemporary biogeography at the global scale; be able to identify how environmental variables influence the distribution and properties of the world's major natural landscapes;

57. 121-013 Global Ecology And Biogeography functioning of the world's major biomes (tropical, temperate and the restoration andpreservation of ecosystems. and issues in contemporary biogeography at the http://www.unimelb.edu.au/HB/1999/subjects/121-013.html

Search Index Faculty of Arts Geography Prev 121-012 Environmental Change Next 121-014 Ecology for Engineers Note Formerly available as 121-172. Students who have completed 121-172 are not eligible to enrol in this subject. Students who have taken 121-174 Ecology for Engineers cannot receive credit for this subject due to overlap in subject content. Availability 1st year Credit Points Coordinator Dr Ian Thomas Semester (view timetable) Contact Two 1-hour lectures and a 2-hour laboratory per week, plus one to two days of field work Subject Description Assessment Weekly practical exercises equivalent to 2000 words, and a 2-hour examination. Search Index Faculty of Arts Geography Prev 121-012 Environmental Change Next 121-014 Ecology for Engineers Status: Official 1999 Last Modified: Tuesday October 20 11:47 SGML to HTML Conversion: Information Technology Services Authorised by: Academic Registrar Email Enquiries: Course_Information@registrar.unimelb.edu.au

58. Chapter 16 Chapter 16 – ecosystems biomes. •biogeography •Concepts. –Community–Habitat –Niche –Photosynthesis – H20 + CO2 + light = CHOH + O2. http://www.u.arizona.edu/~korine/professional/nats/lecture_16.htm

Biogeography: Concepts Community: Habitat: Niche: Net Primary Productivity: Biodiversity: Species Interaction Positive: Negative: Abiotic Ecosystem Components Light (solar energy) Temperature Water Climate Life Zone Concept: Limiting Factors: Biotic Ecosystem Components Producers: Consumers: Decomposers: Energy loss with movement up food chain: Succession: Pioneer community: Fire ecology: Terrestrial Biomes Biome: Ecotone: Equatorial and Tropical Forest Tropical Seasonal Forest and Scrub Tropical Savanna Temperate Rain Forest Mediterranean Shrubland Midlatitude Grasslands Deserts Tundra

59. KARTNETT.COM The Animal Diversity Web Animals / Wildlife Arctic Wildlife biogeography.com Biome theWorld Living Things Habitats and ecosystems Major biomes of the http://www.kartnett.com/websteder.php?tittel=ØKOSYSTEMER&type=230

60. Geography 3b - Spring 2000 Spring 2000 Geography 3b ecosystems and biomes Lecture Outline Weeks9 10 (Chapters 19 20) biogeography. The study of plant http://piru.alexandria.ucsb.edu/collections/geography3b/dar/WEEK9/week9_30may200

Spring 2000 Geography 3b Ecosystems and Biomes Lecture Outline: Biogeography: Definition Ecosystem Concepts Principles of Biotic Organization Primary Productivity ... Influence of Climate on Soils and Biomes BIOGEOGRAPHY The study of plant and animal distribution patterns through space and time and the factors that control this distribution Natural Vegetation Plant cover developed with no human intervention Predictable by climate, comprised of species Human-Influenced Vegetation Agriculture Disturbed Forest and Non-forest Managed Forest and Non-forest Landscape Ecology ECOSYSTEM ESSENTIALS Species - Potentially interbreeding individuals of very similar morphology, physiology and ecology Population - A collective number of a certain living organism in a given area Community - A certain geographic area containing interacting populations Habitat - The type of physical environment in which an organism lives Niche - The function of a population in a community Ecosystem - The entity of all living organisms and non-living components that comprise a specific environment where organisms live Biome - A group of ecosystems geographically aggregated by similar climate Key Point: Biotic Components + Abiotic Components = Ecosystem Terrestrial Ecosystems ( e.g., Forests

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