Mitochondrial DNA Evolution at a Turtle`s Pace: Evidence for Low
... sites, genes, and genomes within a phylogenetic lineage are interpreted to reflect differential levels of functional constraint across DNA sequences, possibly in conjunction with variation in the underlying rate of mutation (B&ten 1986). A more controversial form of rate heterogeneity ( see Wilson e ...
... sites, genes, and genomes within a phylogenetic lineage are interpreted to reflect differential levels of functional constraint across DNA sequences, possibly in conjunction with variation in the underlying rate of mutation (B&ten 1986). A more controversial form of rate heterogeneity ( see Wilson e ...
A Critical Look at Reciprocity in Ecology and Evolution
... established before Pimentel in earlier treatments of density-dependent selection. They then look forward in time by reviewing their own work on density-dependent selection in the least killifish (Heterandria formosa). Their combination of past and current research on this system shows that natural p ...
... established before Pimentel in earlier treatments of density-dependent selection. They then look forward in time by reviewing their own work on density-dependent selection in the least killifish (Heterandria formosa). Their combination of past and current research on this system shows that natural p ...
Unit 5 test Answer Section
... D) using the energy or body of another organisms B) herbivores as a food source C) detritivores E) bacteria breaking down food for a host and D) carnivores having a sheltered habitat E) All of these are predators. 4. One way that species evolve over time to reduce 10. Which of the following is an ex ...
... D) using the energy or body of another organisms B) herbivores as a food source C) detritivores E) bacteria breaking down food for a host and D) carnivores having a sheltered habitat E) All of these are predators. 4. One way that species evolve over time to reduce 10. Which of the following is an ex ...
Attach 2 – Environmental Assessment
... This vegetation community occurs within the central portion of the site and is the result of clearing for the underground mining operations, which were shut down in the 1960’s. This community encompasses approximately 31.74ha of which 52% (16.35ha) occur within conservation lands under the proposal. ...
... This vegetation community occurs within the central portion of the site and is the result of clearing for the underground mining operations, which were shut down in the 1960’s. This community encompasses approximately 31.74ha of which 52% (16.35ha) occur within conservation lands under the proposal. ...
Forest Core - Lower Mississippi Valley Joint Venture
... Designed to serve as a central repository for reforestation data Managed and served by the LMV Joint Venture Office as a service to Joint Venture partners ...
... Designed to serve as a central repository for reforestation data Managed and served by the LMV Joint Venture Office as a service to Joint Venture partners ...
Molecular Ecology
... derived from the two supercolonies following Kautz et al. (2009b). Gasters of queens were discarded before DNA extraction. For the other castes, entire individuals were used for DNA extraction. PCR was carried out in 10 lL reaction volume consisting of 1.0 lL 10· PCR ...
... derived from the two supercolonies following Kautz et al. (2009b). Gasters of queens were discarded before DNA extraction. For the other castes, entire individuals were used for DNA extraction. PCR was carried out in 10 lL reaction volume consisting of 1.0 lL 10· PCR ...
2. Snuffle Snork
... previously unknown creature. I have named this new life form Snorkus schmiddicus, or “Snork” for short. I was able to capture four different individuals and collect a sample of their DNA. They were then released unharmed, but pretty angry. Interestingly, the Snork species has only ten genes. Each ge ...
... previously unknown creature. I have named this new life form Snorkus schmiddicus, or “Snork” for short. I was able to capture four different individuals and collect a sample of their DNA. They were then released unharmed, but pretty angry. Interestingly, the Snork species has only ten genes. Each ge ...
Article Fitness Trade-Offs Determine the Role of the Molecular
... a protein that requires Hsp90 for folding evolves faster than a closely related protein that does not require Hsp90 and is encoded by a duplicate gene (Lachowiec et al. 2015). A link between the ability of Hsp90 to increase morphological variation and the emergence of novel adaptations was also reve ...
... a protein that requires Hsp90 for folding evolves faster than a closely related protein that does not require Hsp90 and is encoded by a duplicate gene (Lachowiec et al. 2015). A link between the ability of Hsp90 to increase morphological variation and the emergence of novel adaptations was also reve ...
Unit 1 - OpenWetWare
... 10. Distinguish between energy pyramids and biomass pyramids. Explain why both relationships are in the form of pyramids. Explain the special circumstances of inverted biomass pyramids. 11. Explain why food pyramids usually have only four or five trophic levels 12. Define the pyramid of numbers. 13. ...
... 10. Distinguish between energy pyramids and biomass pyramids. Explain why both relationships are in the form of pyramids. Explain the special circumstances of inverted biomass pyramids. 11. Explain why food pyramids usually have only four or five trophic levels 12. Define the pyramid of numbers. 13. ...
Ecology 86(7)
... 2004, Shurin and Srivastava, in press). For example, the widely divergent tree species diversity between the temperate zones of eastern Asian, eastern North America, and Europe may be due to differences in the history of these continental floras rather than to interactions among species in a given r ...
... 2004, Shurin and Srivastava, in press). For example, the widely divergent tree species diversity between the temperate zones of eastern Asian, eastern North America, and Europe may be due to differences in the history of these continental floras rather than to interactions among species in a given r ...
Comparative evolution of flower and fruit morphology
... relationships with their animal associates (Blüthgen et al. 2007). Sharing seed dispersers should not lead to unfit hybrids nor engender costs analogous to either CPL or HPD, suggesting that natural selection would not drive a similar amount of diversification in fruit traits across species. Furthe ...
... relationships with their animal associates (Blüthgen et al. 2007). Sharing seed dispersers should not lead to unfit hybrids nor engender costs analogous to either CPL or HPD, suggesting that natural selection would not drive a similar amount of diversification in fruit traits across species. Furthe ...
Marine Invertebrate Conservation: Evaluation of Fisheries Over
... (1989) for snow crab {Chionoecetes opilio)]. However, each calculation introduces more potential error and the ultimate biomass estimate may have relatively large confidence limits. Alternatively, surveys of density per unit area, coupled with overall area determination, may be used to estimate biom ...
... (1989) for snow crab {Chionoecetes opilio)]. However, each calculation introduces more potential error and the ultimate biomass estimate may have relatively large confidence limits. Alternatively, surveys of density per unit area, coupled with overall area determination, may be used to estimate biom ...
Comparative evolution of flower and fruit morphology
... relationships with their animal associates (Blüthgen et al. 2007). Sharing seed dispersers should not lead to unfit hybrids nor engender costs analogous to either CPL or HPD, suggesting that natural selection would not drive a similar amount of diversification in fruit traits across species. Furthe ...
... relationships with their animal associates (Blüthgen et al. 2007). Sharing seed dispersers should not lead to unfit hybrids nor engender costs analogous to either CPL or HPD, suggesting that natural selection would not drive a similar amount of diversification in fruit traits across species. Furthe ...
Time Series Observations of Species Composition and Behavioral
... Many fish species that are small in size and serve as prey for multiple piscivorous fishes occur in large schools to increase their individual chances of survival. However, when groups of predators locate aggregations of prey, their abundance can be greatly reduced. In response to predation pressure ...
... Many fish species that are small in size and serve as prey for multiple piscivorous fishes occur in large schools to increase their individual chances of survival. However, when groups of predators locate aggregations of prey, their abundance can be greatly reduced. In response to predation pressure ...
Learning objectives
... 1. Distinguish between conservation biology and restoration biology. 2. Describe the three levels of biodiversity. 3. Explain why biodiversity at all levels is vital to human welfare. 4. List the three major threats to biodiversity and give an example of each. Conservation at the Population and Spec ...
... 1. Distinguish between conservation biology and restoration biology. 2. Describe the three levels of biodiversity. 3. Explain why biodiversity at all levels is vital to human welfare. 4. List the three major threats to biodiversity and give an example of each. Conservation at the Population and Spec ...
Interaction between competition and predation in cave stream
... invading a previously unexploited area is significantly greater than the potential predation rate on antennatus by a resident (t = 2.26, P > 0.95). The difference between the two rates for A. recurvatus is significant only at the 90 percent level (t ...
... invading a previously unexploited area is significantly greater than the potential predation rate on antennatus by a resident (t = 2.26, P > 0.95). The difference between the two rates for A. recurvatus is significant only at the 90 percent level (t ...
Integrating occupancy models and structural equation models to
... Abstract. Understanding the drivers of species occurrence is a fundamental goal in basic and applied ecology. Occupancy models have emerged as a popular approach for inferring species occurrence because they account for problems associated with imperfect detection in field surveys. Current models, h ...
... Abstract. Understanding the drivers of species occurrence is a fundamental goal in basic and applied ecology. Occupancy models have emerged as a popular approach for inferring species occurrence because they account for problems associated with imperfect detection in field surveys. Current models, h ...
booklet of abstracts
... Natural and sexual selection almost universally favour larger individuals, and body size is typically highly heritable. Nevertheless, while species tend to get larger over geological timescales, conclusive evidence of a contemporary evolutionary response to selection remains elusive for wild animal ...
... Natural and sexual selection almost universally favour larger individuals, and body size is typically highly heritable. Nevertheless, while species tend to get larger over geological timescales, conclusive evidence of a contemporary evolutionary response to selection remains elusive for wild animal ...
Conservation Strategies for Species Affected by Apparent Competition
... Abstract: Apparent competition is an indirect interaction between 2 or more prey species through a shared predator, and it is increasingly recognized as a mechanism of the decline and extinction of many species. Through case studies, we evaluated the effectiveness of 4 management strategies for spec ...
... Abstract: Apparent competition is an indirect interaction between 2 or more prey species through a shared predator, and it is increasingly recognized as a mechanism of the decline and extinction of many species. Through case studies, we evaluated the effectiveness of 4 management strategies for spec ...
Document
... 3. Haemophilia B is a genetically inherited condition in humans which affects a protein required for blood clotting. The information below shows the inheritance of this condition in a family in which some of the individuals are affected by haemophilia B. ...
... 3. Haemophilia B is a genetically inherited condition in humans which affects a protein required for blood clotting. The information below shows the inheritance of this condition in a family in which some of the individuals are affected by haemophilia B. ...
Strong density- and diversity-related effects help to maintain tree
... pathogens, but postulates that pests are not absolutely hostspecific but rather oligophagic. As with simple densitydependence, if any host becomes locally common, its pathogens can multiply, but the model leads to more complex results. The performance of one species depends on its own density, but a ...
... pathogens, but postulates that pests are not absolutely hostspecific but rather oligophagic. As with simple densitydependence, if any host becomes locally common, its pathogens can multiply, but the model leads to more complex results. The performance of one species depends on its own density, but a ...
Empirical perspectives on species borders: from traditional
... has been predicted by numerous theoretical studies (Brown and Pavlovic 1992, Holt and Gaines 1992, Houston and McNamara 1992, Kawecki and Stearns 1993) and has recently gained some empirical support (Jablonski 1987). Peterson et al. (1999) studied the distributions of 37 pairs of sister taxa (74 spe ...
... has been predicted by numerous theoretical studies (Brown and Pavlovic 1992, Holt and Gaines 1992, Houston and McNamara 1992, Kawecki and Stearns 1993) and has recently gained some empirical support (Jablonski 1987). Peterson et al. (1999) studied the distributions of 37 pairs of sister taxa (74 spe ...
size: 3023KB - iucncsg.org
... Shirley, Ludwig Siege and Meseret Adamasu is an excellent update. The potential for conservation to be enhanced by the ongoing sustainable use programs is great, and what is really needed now is some industry input from CSG members skilled in these matters. Copies of the report have been widely dist ...
... Shirley, Ludwig Siege and Meseret Adamasu is an excellent update. The potential for conservation to be enhanced by the ongoing sustainable use programs is great, and what is really needed now is some industry input from CSG members skilled in these matters. Copies of the report have been widely dist ...
Mountain Pygmy-possum - Department of Environment, Land, Water
... inhabits resorts. Although not a major problem, it could adversely affect Burramys populations by competing for food and changing the predator-prey balance. Wider Conservation Implications The Burramys population on Mt Higginbotham is possibly the best-known small mammal population in Australia, as ...
... inhabits resorts. Although not a major problem, it could adversely affect Burramys populations by competing for food and changing the predator-prey balance. Wider Conservation Implications The Burramys population on Mt Higginbotham is possibly the best-known small mammal population in Australia, as ...
Opposing intraspecific vs. interspecific diversity effects on
... et al. 1996). The biodiversity component of BEF experiments is strongly focused on the effects of species diversity (Balvanera et al. 2006). Such effects of species diversity on ecosystem functions are caused by functional trait diversity among species (Hooper et al. 2005) and are of central inter ...
... et al. 1996). The biodiversity component of BEF experiments is strongly focused on the effects of species diversity (Balvanera et al. 2006). Such effects of species diversity on ecosystem functions are caused by functional trait diversity among species (Hooper et al. 2005) and are of central inter ...