Kranz and single-cell forms of C4 plants in the subfamily
... remain largely unknown, but they are thought to involve coordinated changes to genes that affect leaf anatomy, cell ultrastructure, energetics, metabolite transport, and the location, content, and regulation of many metabolic enzymes (Hibberd and Covshoff, 2010). One approach to gain further insight ...
... remain largely unknown, but they are thought to involve coordinated changes to genes that affect leaf anatomy, cell ultrastructure, energetics, metabolite transport, and the location, content, and regulation of many metabolic enzymes (Hibberd and Covshoff, 2010). One approach to gain further insight ...
PDF - Smithsonian Tropical Research Institute
... 1990). Imagines of Lepidoptera were simply sorted by 'family habitus', since exact sorting increased the time investment tenfold without increasing the ecological information gained very much. Other arthropod groups were either extensively sorted into recognisable taxonomic units (RTUs: morphospecie ...
... 1990). Imagines of Lepidoptera were simply sorted by 'family habitus', since exact sorting increased the time investment tenfold without increasing the ecological information gained very much. Other arthropod groups were either extensively sorted into recognisable taxonomic units (RTUs: morphospecie ...
Death of a snake Philodryas nattereri (Squamata: Dipsadidae) after
... 2005) and 45-139 mm snout-vent length (Ribeiro and Freire, 2009). It is a habitat generalist and common in a wide range of Caatinga vegetation types (Rodrigues, 1987). This lizard, which displays daytime activity, is territorialist, exhibiting sedentary and opportunistic predation (Kolodiuk, Ribeiro ...
... 2005) and 45-139 mm snout-vent length (Ribeiro and Freire, 2009). It is a habitat generalist and common in a wide range of Caatinga vegetation types (Rodrigues, 1987). This lizard, which displays daytime activity, is territorialist, exhibiting sedentary and opportunistic predation (Kolodiuk, Ribeiro ...
Lesson Plan
... in its environment. Adaptation is necessary for survival. The theory of evolution and adaptation of organisms is credited to Charles Darwin. A. Selection is the survival of organisms that are best adapted to their environment. Adaptation occurs because the species goes through change over time. Many ...
... in its environment. Adaptation is necessary for survival. The theory of evolution and adaptation of organisms is credited to Charles Darwin. A. Selection is the survival of organisms that are best adapted to their environment. Adaptation occurs because the species goes through change over time. Many ...
The analysis of stress in natural populations
... park is managed because the environment is managed). What matters is that, for natural populations, the levels of environmental heterogeneity in time and space are allowed to vary widely and are not managed so that they stay within exessively limited boundaries. The primary variable of interest when ...
... park is managed because the environment is managed). What matters is that, for natural populations, the levels of environmental heterogeneity in time and space are allowed to vary widely and are not managed so that they stay within exessively limited boundaries. The primary variable of interest when ...
The Need to Rationalize and Prioritize Threatening Processes Used
... excluded because they are largely omnivorous, and I excluded the carnivorous polar bear (Ursus maritimus) because it relies on the marine realm for food. I excluded lynxes because they were below the 20-kg mean adult body mass criteria and the brown (Hyaena brunnea) and striped (H. hyaena) hyaena be ...
... excluded because they are largely omnivorous, and I excluded the carnivorous polar bear (Ursus maritimus) because it relies on the marine realm for food. I excluded lynxes because they were below the 20-kg mean adult body mass criteria and the brown (Hyaena brunnea) and striped (H. hyaena) hyaena be ...
3 The Role of Top Carnivores in
... would be of immeasurable help in reducing the rate of extinction in our own time. Extinction rates are acknowledged to be hundreds or thousands of times higher today than they were in the prehuman past (Wilson 1992; May etal. 1995; Ehrlich 1995). Scores of studies have asked why a particular species ...
... would be of immeasurable help in reducing the rate of extinction in our own time. Extinction rates are acknowledged to be hundreds or thousands of times higher today than they were in the prehuman past (Wilson 1992; May etal. 1995; Ehrlich 1995). Scores of studies have asked why a particular species ...
Fluctuating resources in plant communities: a general theory of invasibility FORUM
... Our theory rests on the simple assumption that an invading species must have access to available resources, e.g. light, nutrients, and water, and that a species will enjoy greater success in invading a community if it does not encounter intense competition for these resources from resident species. ...
... Our theory rests on the simple assumption that an invading species must have access to available resources, e.g. light, nutrients, and water, and that a species will enjoy greater success in invading a community if it does not encounter intense competition for these resources from resident species. ...
ORN_chap4
... from different localities, but do not necessarily bring about any change in overall distribution • ‘migration’ refers to movements in restricted directions for more or less fixed distances that produce regular seasonal shifts in the centre of gravity of a population • dispersal can lead to range ext ...
... from different localities, but do not necessarily bring about any change in overall distribution • ‘migration’ refers to movements in restricted directions for more or less fixed distances that produce regular seasonal shifts in the centre of gravity of a population • dispersal can lead to range ext ...
How to use KAIKObase: An integrated silkworm genome database
... The top page provides access to silkworm genome information. 1) Chromosome select: Two choices are available for the genome maps – the PGmap can be accessed by clicking the chromosome number after clicking PGmap (colored pink) and the UnifiedMap by clicking the chromosome number after clicking Unif ...
... The top page provides access to silkworm genome information. 1) Chromosome select: Two choices are available for the genome maps – the PGmap can be accessed by clicking the chromosome number after clicking PGmap (colored pink) and the UnifiedMap by clicking the chromosome number after clicking Unif ...
slides pdf
... Human population history and future Be sure that you understand figures 53.22-26. What was industrial revolution and how did it affect human population growth? What is the demographic transition and how does it affect human population growth? What is the global carrying capacity for humans? ...
... Human population history and future Be sure that you understand figures 53.22-26. What was industrial revolution and how did it affect human population growth? What is the demographic transition and how does it affect human population growth? What is the global carrying capacity for humans? ...
b10vrv2042
... Instead of competing for similar resources, species usually divide them. For example, the three species of North American warblers shown all live in the same trees and feed on insects. But one species feeds on high branches; another feeds on low branches, and another feeds in the middle. ...
... Instead of competing for similar resources, species usually divide them. For example, the three species of North American warblers shown all live in the same trees and feed on insects. But one species feeds on high branches; another feeds on low branches, and another feeds in the middle. ...
Unit 2 * Ecosystems and Population Change
... Sun’s energy in the form of starches and carbohydrates. ...
... Sun’s energy in the form of starches and carbohydrates. ...
Sterling, Bynum, et al. Why Should You Care About Biologic…
... As Director of the Museum's Center for Biodiversit y and Conservation (CBC), Eleanor Sterling oversees strategic planning and project development, leads fundraising efforts, and manages a multidisciplinary staff of over 25. In her capacity as a conservation biologist, Dr. Sterling also conducts fie ...
... As Director of the Museum's Center for Biodiversit y and Conservation (CBC), Eleanor Sterling oversees strategic planning and project development, leads fundraising efforts, and manages a multidisciplinary staff of over 25. In her capacity as a conservation biologist, Dr. Sterling also conducts fie ...
Niches and Community Interactions
... Instead of competing for similar resources, species usually divide them. For example, the three species of North American warblers shown all live in the same trees and feed on insects. But one species feeds on high branches; another feeds on low branches, and another feeds in the middle. ...
... Instead of competing for similar resources, species usually divide them. For example, the three species of North American warblers shown all live in the same trees and feed on insects. But one species feeds on high branches; another feeds on low branches, and another feeds in the middle. ...
SC.912.L.17.5
... SC.912.L.17.5#: ANALYZE HOW POPULATION SIZE IS DETERMINED BY BIRTHS, DEATHS, IMMIGRATION, EMIGRATION, AND LIMITING FACTORS (BIOTIC AND ABIOTIC) THAT DETERMINE CARRYING CAPACITY. LIMITING FACTORS? CARRYING CAPACITY? CARRYING CAPACITY IS THE NUMBER OF INDIVIDUALS OF A SPECIES THAT AN ENVIRONMENT CAN S ...
... SC.912.L.17.5#: ANALYZE HOW POPULATION SIZE IS DETERMINED BY BIRTHS, DEATHS, IMMIGRATION, EMIGRATION, AND LIMITING FACTORS (BIOTIC AND ABIOTIC) THAT DETERMINE CARRYING CAPACITY. LIMITING FACTORS? CARRYING CAPACITY? CARRYING CAPACITY IS THE NUMBER OF INDIVIDUALS OF A SPECIES THAT AN ENVIRONMENT CAN S ...
Identifying Conservation and Research Priorities in the Face of
... experimental reintroduction site, also increased L. aurea survival rates in the presence of B. dendrobatidis (Stockwell 2011), suggesting that this may be an effective management strategy. The addition of salt to water bodies is time and cost effective, remains active over time, and replicates natur ...
... experimental reintroduction site, also increased L. aurea survival rates in the presence of B. dendrobatidis (Stockwell 2011), suggesting that this may be an effective management strategy. The addition of salt to water bodies is time and cost effective, remains active over time, and replicates natur ...
Seed dispersal by pulp consumers, not ``legitimate`` seed
... consequences for plants. To date, however, only one study has quantified the net effects of seed dispersal on plant population dynamics (Godı́nez-Alvarez et al. 2002). One way to close the ‘‘seed dispersal loop’’ (Wang and Smith 2002) and examine the consequences of seed dispersal is to connect lands ...
... consequences for plants. To date, however, only one study has quantified the net effects of seed dispersal on plant population dynamics (Godı́nez-Alvarez et al. 2002). One way to close the ‘‘seed dispersal loop’’ (Wang and Smith 2002) and examine the consequences of seed dispersal is to connect lands ...
Identification and Characterization of KLK-L4, a New Kallikrein
... genes (12–13), and the recent identification of new kallikreinlike genes suggested that the human kallikrein gene family may be larger than previously thought. The rodent kallikrein genes are located in clusters on chromosome 7, and the region between two mouse kallikrein genes in a cluster can be a ...
... genes (12–13), and the recent identification of new kallikreinlike genes suggested that the human kallikrein gene family may be larger than previously thought. The rodent kallikrein genes are located in clusters on chromosome 7, and the region between two mouse kallikrein genes in a cluster can be a ...
Phylogenetic analysis of phytoplasmas based on sequences
... upon the 16S rDNA gene which is highly conserved throughout phytoplasma groups. In 2004, the IRPCM Phytoplasma/Spiroplasma Working Team – Phytoplasma taxonomy group proposed to accommodate phytoplasmas within the genus ‘Candidatus Phytoplasma’ gen. nov. in which the formal descriptions and species c ...
... upon the 16S rDNA gene which is highly conserved throughout phytoplasma groups. In 2004, the IRPCM Phytoplasma/Spiroplasma Working Team – Phytoplasma taxonomy group proposed to accommodate phytoplasmas within the genus ‘Candidatus Phytoplasma’ gen. nov. in which the formal descriptions and species c ...
Phenotypic and phylogenetic evidence for the role of food and
... across seasonal variation in temperature and resource availability. We then test two contrasting hypotheses about community assembly in these species by comparing observed community structure (average phylogenetic and trait distances between co-occurring species) to that expected under random assemb ...
... across seasonal variation in temperature and resource availability. We then test two contrasting hypotheses about community assembly in these species by comparing observed community structure (average phylogenetic and trait distances between co-occurring species) to that expected under random assemb ...
Where and When do Species Interactions Set Range Limits?
... a meta-analysis of over-the-range-limit transplant experiments, Hargreaves et al. [38] demonstrated that fitness is often reduced beyond high latitude or high elevation limits (consistent with limits set by abiotic stress), whereas fitness remains high beyond most low latitude or low elevation limits ...
... a meta-analysis of over-the-range-limit transplant experiments, Hargreaves et al. [38] demonstrated that fitness is often reduced beyond high latitude or high elevation limits (consistent with limits set by abiotic stress), whereas fitness remains high beyond most low latitude or low elevation limits ...
Community assembly, coexistence and the environmental filtering
... and that the term ‘environmental filtering’ is often used as a generic term to describe any perceived abiotic influence on community structure, which is imprecise and potentially misleading. With this in mind, we advocate that the term environmental filtering, sensu stricto, be used only in cases where ...
... and that the term ‘environmental filtering’ is often used as a generic term to describe any perceived abiotic influence on community structure, which is imprecise and potentially misleading. With this in mind, we advocate that the term environmental filtering, sensu stricto, be used only in cases where ...
extracellular polysaccharide colanic acid. cluster responsible for
... cia) was inserted into the EcoRI site. The primers used for PCR amplifications were as follows: 621 (59-ATGCCATCTAAAAAACTCTC-39) and 668 (59-AAA GAATTCTCAGCATTGCATCAACGG-39) for the left-hand end of the pPR1742 insert, 667 (59-AAAGAATTCACTGGAACGTACTCAGCC-39) and 679 (59-GGTGCATCACTGCATCCG-39) for th ...
... cia) was inserted into the EcoRI site. The primers used for PCR amplifications were as follows: 621 (59-ATGCCATCTAAAAAACTCTC-39) and 668 (59-AAA GAATTCTCAGCATTGCATCAACGG-39) for the left-hand end of the pPR1742 insert, 667 (59-AAAGAATTCACTGGAACGTACTCAGCC-39) and 679 (59-GGTGCATCACTGCATCCG-39) for th ...