Release of February 2017 MCAS Biology Test Items
... Six puppies from a single litter have the following genotypes for a certain trait: AA, Aa, AA, aa, aa, Aa. Which of the following describes how these alleles were passed on from parent to offspring? ...
... Six puppies from a single litter have the following genotypes for a certain trait: AA, Aa, AA, aa, aa, Aa. Which of the following describes how these alleles were passed on from parent to offspring? ...
Acclimation of Intertidal Crabs Duke University Marine Laboratory
... SVXOPSIS. Intertidal crabs are subjected to marked fluctuations in environmental factors. Temperature and salinity influence the distribution of organisms both on a latitudinal basis and along a subtidal to terrestrial gradient. These factors are operative on all stages of the life history. Resistan ...
... SVXOPSIS. Intertidal crabs are subjected to marked fluctuations in environmental factors. Temperature and salinity influence the distribution of organisms both on a latitudinal basis and along a subtidal to terrestrial gradient. These factors are operative on all stages of the life history. Resistan ...
Introduction: - Library - Conservation International
... Priority indicators for implementation: 4) Connectivity allows natural biotic interactions to be maintained: Change in relative/absolute abundance & distribution patterns of migratory/corridor-utilizing species. Conservation Outcome: ‘Corridors Consolidated’ Marine corridors should not be gauged a ...
... Priority indicators for implementation: 4) Connectivity allows natural biotic interactions to be maintained: Change in relative/absolute abundance & distribution patterns of migratory/corridor-utilizing species. Conservation Outcome: ‘Corridors Consolidated’ Marine corridors should not be gauged a ...
Population Ecology
... population grows slowly at first. This slow growth is defined as the lag phase. The rate of population growth begins to increase rapidly because the total number of organisms that are able to reproduce has increased. Exponential growth occurs when the growth rate is proportional to the size of the p ...
... population grows slowly at first. This slow growth is defined as the lag phase. The rate of population growth begins to increase rapidly because the total number of organisms that are able to reproduce has increased. Exponential growth occurs when the growth rate is proportional to the size of the p ...
Introduction: - Library - Conservation International
... Priority indicators for implementation: 4) Connectivity allows natural biotic interactions to be maintained: Change in relative/absolute abundance & distribution patterns of migratory/corridor-utilizing species. Conservation Outcome: ‘Corridors Consolidated’ Marine corridors should not be gauged a ...
... Priority indicators for implementation: 4) Connectivity allows natural biotic interactions to be maintained: Change in relative/absolute abundance & distribution patterns of migratory/corridor-utilizing species. Conservation Outcome: ‘Corridors Consolidated’ Marine corridors should not be gauged a ...
Invasive Species
... invasions should more broadly embrace native species’ range expansions, since the fundamental processes are the same, and since both involve the movement of individuals from a donor community into a recipient community (Davis 2009). Indeed, native species may undergo marked range changes in response ...
... invasions should more broadly embrace native species’ range expansions, since the fundamental processes are the same, and since both involve the movement of individuals from a donor community into a recipient community (Davis 2009). Indeed, native species may undergo marked range changes in response ...
Biology and Conservation of the Santa Cruz long
... – Even at known occupied sites, SCLTS can be difficult to detect; failure to detect = elimination of habitat without compensation (but absence of detection is not detection of absence) – Use additional methods to increase detection efficiency: surveys for embryos, night walking surveys & road cruisi ...
... – Even at known occupied sites, SCLTS can be difficult to detect; failure to detect = elimination of habitat without compensation (but absence of detection is not detection of absence) – Use additional methods to increase detection efficiency: surveys for embryos, night walking surveys & road cruisi ...
Law of the unspecialized - Department of Ecology and Evolutionary
... predicted that specialization is favored because of tradeoffs in fitness when organisms utilize different resources. These microevolutionary benefits are thought to be offset by a reduction in macroevolutionary diversification. Again, theory has suggested that the narrow ecology of specialists will ...
... predicted that specialization is favored because of tradeoffs in fitness when organisms utilize different resources. These microevolutionary benefits are thought to be offset by a reduction in macroevolutionary diversification. Again, theory has suggested that the narrow ecology of specialists will ...
Alaska WatchList
... remoteness provided protection for some Trumpeter Swans. In 1954, a biologist identified breeding pairs in Alaska’s Copper River Basin as Trumpeter Swans, not Tundra Swans as previously assumed. Subsequent surveys revealed more breeding trumpeters. Following strict protection from hunting and distur ...
... remoteness provided protection for some Trumpeter Swans. In 1954, a biologist identified breeding pairs in Alaska’s Copper River Basin as Trumpeter Swans, not Tundra Swans as previously assumed. Subsequent surveys revealed more breeding trumpeters. Following strict protection from hunting and distur ...
Simple prediction of interaction strengths in complex food webs
... comparable to the maximum per capita consumption described here (11, 30, 31). To explore how this 3⁄4 scaling of individual consumption manifests as per capita effects of removing R, we first regressed log10兩per capita I兩 on log10(MR), where MR is the body mass of R. Simple, one-degree consumer-reso ...
... comparable to the maximum per capita consumption described here (11, 30, 31). To explore how this 3⁄4 scaling of individual consumption manifests as per capita effects of removing R, we first regressed log10兩per capita I兩 on log10(MR), where MR is the body mass of R. Simple, one-degree consumer-reso ...
Review Article The Fluctuation Niche in Plants - CREAF
... Testing the reliability of the fluctuation niche shows similar methodological shortcomings than the rest of other niche dimensions. Our preliminary prediction should be that increasing fluctuation would allow the coexistence of species able to tolerate interpulse periods by life-cycle or physiologic ...
... Testing the reliability of the fluctuation niche shows similar methodological shortcomings than the rest of other niche dimensions. Our preliminary prediction should be that increasing fluctuation would allow the coexistence of species able to tolerate interpulse periods by life-cycle or physiologic ...
Dual phase evolution a mechanism for self
... [Dayton et al. 1984]. There are also many ecosystems where external forces impose landscape phase changes. In central Australia, for instance, rainfall mediates phase changes in the distribution of water birds [Roshier et al. 2001]. During wet years, the landscape is essentially connected. Birds can ...
... [Dayton et al. 1984]. There are also many ecosystems where external forces impose landscape phase changes. In central Australia, for instance, rainfall mediates phase changes in the distribution of water birds [Roshier et al. 2001]. During wet years, the landscape is essentially connected. Birds can ...
Biodiversity is the variety of life. It can be studied on different scopes
... and diseases. Not only does genetic diversity benefit the species, it also helps the ecosystem. For example, after a fire or flood, a forest with 20 reptiles is more likely to adapt than another forest with only one reptile. Extinction, throughout the history of the Earth, has been common, in fact, ...
... and diseases. Not only does genetic diversity benefit the species, it also helps the ecosystem. For example, after a fire or flood, a forest with 20 reptiles is more likely to adapt than another forest with only one reptile. Extinction, throughout the history of the Earth, has been common, in fact, ...
`The Smallest Elephant in the Room`
... • Opportunity for those that already undertake monitoring of physical properties of groundwater to also monitor groundwater ecology • low additional cost • leading edge understanding of threatened ecological communities • Given Government’s current interest in GDEs, and if policy becomes mand ...
... • Opportunity for those that already undertake monitoring of physical properties of groundwater to also monitor groundwater ecology • low additional cost • leading edge understanding of threatened ecological communities • Given Government’s current interest in GDEs, and if policy becomes mand ...
Ecology Basics - The Science Spot
... can then become a serious pest. For example, kudzu, a Japanese vine, was planted in the southeastern United States in the 1870s to help control soil loss. Kudzu had no natural predators, so it was able to out-compete native species of vine and take over their niches ( Figure 2.4). ...
... can then become a serious pest. For example, kudzu, a Japanese vine, was planted in the southeastern United States in the 1870s to help control soil loss. Kudzu had no natural predators, so it was able to out-compete native species of vine and take over their niches ( Figure 2.4). ...
Name
... ecosystem may live within a decaying log, which in turn may be part of a larger wetland ecosystem. Ecologists study relationships within each level of organization and also between levels. For example, researchers may study the relationships within a population of alligators, as well as the relation ...
... ecosystem may live within a decaying log, which in turn may be part of a larger wetland ecosystem. Ecologists study relationships within each level of organization and also between levels. For example, researchers may study the relationships within a population of alligators, as well as the relation ...
18th_Lecture
... male parental care could be ancestral in birds If so, ratites could have retained the ancestral state And, if so, then female care and biparental care would be derived conditions A male of the medium-sized predatory dinosaur Troodon (North America late Cretaceous) brooding a large clutch of eggs. Fe ...
... male parental care could be ancestral in birds If so, ratites could have retained the ancestral state And, if so, then female care and biparental care would be derived conditions A male of the medium-sized predatory dinosaur Troodon (North America late Cretaceous) brooding a large clutch of eggs. Fe ...
biosphere
... Observing is often the first step in asking ecological questions. Some observations are simple. Others are complex and may form the first step in designing experiments and models. ...
... Observing is often the first step in asking ecological questions. Some observations are simple. Others are complex and may form the first step in designing experiments and models. ...
Director Species Listing Section Threatened Species Scientific
... are unable, or reluctant, to cross gaps in vegetation and move within or among fragmented habitats. The requirement to do so with the increasing destruction of their habitat results in increased mortality from vehicle collisions and predation. Consequently, they have experienced population declines ...
... are unable, or reluctant, to cross gaps in vegetation and move within or among fragmented habitats. The requirement to do so with the increasing destruction of their habitat results in increased mortality from vehicle collisions and predation. Consequently, they have experienced population declines ...
Characterization of novel canine bocaviruses and their association
... MVC. The CBoV NS-coding region encodes a shorter NS protein, as well as conserved RNA splicing signals essential to generate a longer NS protein (Fig. 1). Like other bioinformatics analyses and predictions, these observations require experimental validation in subsequent studies. To determine CBoV’s ...
... MVC. The CBoV NS-coding region encodes a shorter NS protein, as well as conserved RNA splicing signals essential to generate a longer NS protein (Fig. 1). Like other bioinformatics analyses and predictions, these observations require experimental validation in subsequent studies. To determine CBoV’s ...
Lack of homeward orientation and increased mobility result in high
... to mate-searching behaviour in males and foraging behaviour in gravid females (Maelfait & Baert 1975). Cost of cursorial dispersal in spiders is on average low although mortality can be substantially high in populations with high dispersal rates (Morse 1997). Cursorial activity is generally assumed ...
... to mate-searching behaviour in males and foraging behaviour in gravid females (Maelfait & Baert 1975). Cost of cursorial dispersal in spiders is on average low although mortality can be substantially high in populations with high dispersal rates (Morse 1997). Cursorial activity is generally assumed ...
2010 University of Ryukyus (Ryudai)
... Research interests: I am a intertidal ecologist with research interests in the effect of oceanographic current, larval supply, settlement and post-settlement mortality on the geographical and regional distribution of marine organisms. My research uses the common rocky shore barnacle Tetraclita spp. ...
... Research interests: I am a intertidal ecologist with research interests in the effect of oceanographic current, larval supply, settlement and post-settlement mortality on the geographical and regional distribution of marine organisms. My research uses the common rocky shore barnacle Tetraclita spp. ...
AP Environmental Science
... Population Growth, Curves & Reproductive Strategies Growth Curves The number of individuals in a population can change based on many variables. Density independent factors affect all individuals in a population the same and may include physical factors such as climate, weather or salinity or catastr ...
... Population Growth, Curves & Reproductive Strategies Growth Curves The number of individuals in a population can change based on many variables. Density independent factors affect all individuals in a population the same and may include physical factors such as climate, weather or salinity or catastr ...
1 identification of novel bacillus species isolated from cow bezoar
... Calculus Bovis is a valuable Chinese medical material commonly known as cow bezoar. It is valued as an effective Chinese medicine, although most cow bezoar is now imported from other countries. The demand for cow bezoar remains high but due to the small amounts which are produced, the cost is high i ...
... Calculus Bovis is a valuable Chinese medical material commonly known as cow bezoar. It is valued as an effective Chinese medicine, although most cow bezoar is now imported from other countries. The demand for cow bezoar remains high but due to the small amounts which are produced, the cost is high i ...