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Study Guides for Biology 2485B at Western University

Environmental Biology

Exam Study Guides for Biology 2485B

Covers all exam topics.

Biology 2485B Final: Bio 2485B-Lecture 23

Conservation II Ex situ Problem: expensive, vulnerable survive in wild Genetic Bottleneck: small pop provides genetic, limit diversity overlap generation, even though large pop genes only from few Reserve: protect from act...

Biology
Biology 2485B
Ingrid L.Stefanovic
Biology 2485B Final: Bio 2485B-Lecture 12:13

Food from the Sea Pressure on wild populations: half of marine fish fully exploited (take more pop wouldnt survive, take enough) 28 are overexploited (take more than pop support, cause extinct) Atlantic Cod Groundfish: fis...

Biology
Biology 2485B
Ingrid L.Stefanovic
Biology 2485B Study Guide - Final Guide: Metapopulation

Habitat Loss and Fragmentation Habitat: where species live, set of bioticabiotic conditions which can survive Habitat Loss: refers to reduce area Habitat Fragmentation: refers to division wout loss of overall area *irl bot...

Biology
Biology 2485B
Ingrid L.Stefanovic
Biology 2485B Final: Bio 2485B-Lecture 15

Obesity Epidemic BMI=weight(kg)height Genetics: makes individual more susceptible but cant explain increase overtime energy intake, needs, utilization metabolism, taste pref Obesity Enviro Issue seen as evolutionary adapti...

Biology
Biology 2485B
Ingrid L.Stefanovic
Biology 2485B Study Guide - Final Guide: The Rodale Institute, Mecha, Herbicide

Organic Agri Climate Change Sustainable: activity can meet needs wout reduce future needs Sustainable Agri: production of agri products that doesnt depletepollute enviro NoTill Agri: freq of tilling (turn over soil) kept ...

Biology
Biology 2485B
Ingrid L.Stefanovic
Biology 2485B Study Guide - Final Guide: Local Extinction

Species Extinction Extinction: disappearance of species from Earth Extirpation: disappearance of species from one part of normal range Population Dynamics Pop growth rate= birth + immigration death emigration Reason pop no...

Biology
Biology 2485B
Ingrid L.Stefanovic
Biology 2485B Study Guide - Final Guide: Endangered Species Act Of 1973, Committee On The Status Of Endangered Wildlife In Canada, Organism

Conservation Restoration Solution Conservation Bio: understandprevent lost of diversity Distinction 1: specieslevel conservation vs. habitat level conservation Distinction 2: species conservation ex situ (captivity) in si...

Biology
Biology 2485B
Ingrid L.Stefanovic
Biology 2485B Final: Bio 2485B-Lecture 19

Invasive Species Exotic Species: found outside of natural range due to human activity Invasive Species: exotic species that has spread in distributionincrease abundance Major means of exotic intro: 1. European colonization...

Biology
Biology 2485B
Ingrid L.Stefanovic
Biology 2485B Study Guide - Final Guide: Nitrate, Atrazine, Arsenic

Pollutants Human Health Methemoglobinaemia: nitrate poisoning in ground water Toxicology: study of effects of chem hazards on humans Toxicity: degree of harm toxicant can cause depends combine effect of chem and dose any ...

Biology
Biology 2485B
Ingrid L.Stefanovic
Biology 2485B Final: Bio 2485B-Lecture 17

Vector Borne Disease Disease: impairs functioning Infectious Disease: cause by entrance into body, multiples (cause by pathogen) Communicable Disease: transmit bw host Vector: organism that transfers path to host Reservoir...

Biology
Biology 2485B
Ingrid L.Stefanovic
Biology 2485B Study Guide - Final Guide: Phthalate, Semen Quality, Polymer

Plastics in Environment Plastic: organic polymer made of C2 H2 (can have diff branching structure) high molecular weight, molded into various shapes Plastic polymers not pure inorganic fillers to strengthen compounds adde...

Biology
Biology 2485B
Ingrid L.Stefanovic
Biology 2485B Study Guide - Final Guide: Thomas Robert Malthus, Rein

Human Population I Population: individual of same species inhabiting area Characteristics: 1. Size: current 7.6 billion 2. Density: 15 pepkm2 (base on total surface of Earth 3. Structure (spatialage): human pop is clump at...

Biology
Biology 2485B
Ingrid L.Stefanovic
Biology 2485B Study Guide - Final Guide: Recombinant Dna, Plasmin, Bioremediation

GMOS I Traditional Breeding 1. Based on selective use of natural variants appearing in nature or in cultivated pop (landraces) 2. Base on controlled mating to purposely recombine desirable genes 3. Base on monitored recomb...

Biology
Biology 2485B
Ingrid L.Stefanovic
Biology 2485B Study Guide - Final Guide: Global Warming Potential, Milankovitch Cycles, Vehicle Emissions Control

Climate Change Climate: longterm atmos conditions Global Climate Change: describe trends in Earths climate Global Warming: increase in surface temp. Global Warming Potential: ability of one molecule of given greenhouse to ...

Biology
Biology 2485B
Ingrid L.Stefanovic

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