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The Search for a Mechanism of Coexistence in Ecological Literature
The Search for a Mechanism of Coexistence in Ecological Literature

... layers at different heights above the ground (MacArthur et. al., 1962). Another study performed across many different study areas with high variation in vegetation complexity supported MacArthur’s (1958, 1961, 1962) work. It found that bird species diversity was correlated with foliage height divers ...
Identical Versus Fraternal Twins
Identical Versus Fraternal Twins

... • Hyperlink Slides - This presentation contain two types of hyperlinks. Hyperlinks can be identified by the text being underlined and a different color (usually purple). – Unit subsections hyperlinks: Immediately after the unit title slide, a page (slide #3) can be found listing all of the unit’s su ...
Organismal Biology/50A
Organismal Biology/50A

... • Events that occur in the framework of ecological time (minutes, months, years) translate into effects over the longer scale of evolutionary time (decades, centuries, millennia, and longer). ...
Rapid micro-evolution and loss of chromosomal diversity in
Rapid micro-evolution and loss of chromosomal diversity in

ECOLOGICAL PRINCIPLES NOTES
ECOLOGICAL PRINCIPLES NOTES

... How are the moose and the wolves limiting factors on each other?______________________ _______________________________________________________________________ _______________________________________________________________________ _____________________________________________________________________ ...
Distribution - Gustavus Adolphus College
Distribution - Gustavus Adolphus College

student notes for Chapter 5
student notes for Chapter 5

Biology 182: Study Guide PART IV. ECOLOGY, BEHAVIOR
Biology 182: Study Guide PART IV. ECOLOGY, BEHAVIOR

... century, much behavioral work was divided between Ethology and Behaviorism. Be familiar with these approaches and the more recent Behavioral Ecology and Sociobiology. We will draw on a subset of the material in Chapter 51 (particularly pages 1134, 1138-1141, 1143-1154) and additional material. Ethol ...
Biodiversity is the abundance of different species and ecosystems in
Biodiversity is the abundance of different species and ecosystems in

Populations respond to pressures..
Populations respond to pressures..

... density-dependent factor—that is, a limiting factor that affects a population when density is high. Disease is another density-dependent factor. The more crowded an area becomes, the easier it is for disease to spread, so more individuals are affected. If population density is low, there is less con ...
Lecture_31_Mar 26_ sex
Lecture_31_Mar 26_ sex

... parthenogenetic female passes twice as many of her genes to progeny as a sexually reproducing female. Why are not all organism parthenogenetic? How can we explain sex persisting in populations? Are these explanations powerful enough relative to individual ...
Enduring Understandings Poster Project
Enduring Understandings Poster Project

... Scientific evidence — including emergent diseases, chemical resistance and genomic data — supports the idea that evolution occurs for all organisms and that evolution explains the diversity of life on the planet. A species can be defined as a group of individuals capable of interbreeding and exchang ...
Ecology Vocabulary
Ecology Vocabulary

...  It is exponential not linear – means that as a population gets larger, it grows faster  Would you prefer a million dollars today? Or a penny today, doubling what you have every day for a month???  Exponential growth results in a “population explosion” – the larger it gets, the faster it grows Ex ...
the diversity
the diversity

... • You can say similarly: the rubbish dump comprises only 0.1% area of the whole Ceske Budejovice, but hosts 10% of all its species (say 70 out of 700) ...
The process of making more of one`s own kind is called reproduction
The process of making more of one`s own kind is called reproduction

... Offspring ___________ one allele from each parent. Sometimes an organism _____________ two dominant alleles or two recessive alleles for a trait. When this happens, the organism shows the trait carried by the allele. An organism that carries two dominant or two recessive alleles for a given trait is ...
A characteristic feature of parasites is their high reproductive output
A characteristic feature of parasites is their high reproductive output

... parthenogenetic female passes twice as many of her genes to progeny as a sexually reproducing female. Why are not all organism parthenogenetic? How can we explain sex persisting in populations? Are these explanations powerful enough relative to individual ...
FREE Sample Here
FREE Sample Here

... 26. In tidal pools, the food pyramid is "inverted." There is a small base of phytoplankton and a larger top of zooplankton. A. This proves that sometimes it is possible for a small amount of plant tissue to produce a large amount of herbivores. B. This is based on numbers, and there are a few large ...
Chapter 53 reading guide
Chapter 53 reading guide

... A population ecologist wished to determine the size of a population of white-footed deer mice, Peromyscus leucopus, in a 1-hectare field. Her first trapping yielded 80 mice, all of which were marked with a dab of purple hair dye on the back of the neck. Two weeks later, the trapping was repeated. Th ...
AP Biology Reading Guide       ... Fred and Theresa Holtzclaw
AP Biology Reading Guide ... Fred and Theresa Holtzclaw

... A population ecologist wished to determine the size of a population of white-footed deer mice, Peromyscus leucopus, in a 1-hectare field. Her first trapping yielded 80 mice, all of which were marked with a dab of purple hair dye on the back of the neck. Two weeks later, the trapping was repeated. Th ...
Exam 2 Terms List
Exam 2 Terms List

... o Test hypotheses, typically based on simple causality o Controls versus manipulations o Pseudoreplication  Ecological Experiments o Manipulations of natural populations (species removals, addition, and/or ...
Intro course LO evaluation
Intro course LO evaluation

... regions of climate with associated plant and animal communities (e.g. biomes) Identify biogeographic provinces and biomes, and list the features determining their distribution (biogeography) Distinguish between proximal and ultimate causes of behavioral and the role of natural selection in the evolu ...
Exam 2 Terms List
Exam 2 Terms List

... o Test hypotheses, typically based on simple causality o Controls versus manipulations o Pseudoreplication  Ecological Experiments o Manipulations of natural populations (species removals, addition, and/or ...
Chapter 1: Introduction - Green Resistance
Chapter 1: Introduction - Green Resistance

... weakened (or rejected)  Best tests of hypotheses are experiments:  independently manipulate one/few variables (or trick frogs ...
Phylogeny - Grayslake Central High School
Phylogeny - Grayslake Central High School

... Mammalia Primates Hominidae Homo Homo sapiens ...
CHANGES OVER TIME
CHANGES OVER TIME

... Darwin make on his voyage? • What hypothesis did Darwin make to explain the differences between similar species? • How does natural selection lead to evolution? ...
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Molecular ecology

Molecular ecology is a field of evolutionary biology that is concerned with applying molecular population genetics, molecular phylogenetics, and more recently genomics to traditional ecological questions (e.g., species diagnosis, conservation and assessment of biodiversity, species-area relationships, and many questions in behavioral ecology). It is virtually synonymous with the field of ""Ecological Genetics"" as pioneered by Theodosius Dobzhansky, E. B. Ford, Godfrey M. Hewitt and others. These fields are united in their attempt to study genetic-based questions ""out in the field"" as opposed to the laboratory. Molecular ecology is related to the field of Conservation genetics.Methods frequently include using microsatellites to determine gene flow and hybridization between populations. The development of molecular ecology is also closely related to the use of DNA microarrays, which allows for the simultaneous analysis of the expression of thousands of different genes. Quantitative PCR may also be used to analyze gene expression as a result of changes in environmental conditions or different response by differently adapted individuals.
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