A framework for community and ecosystem
... The traditional phenotype is the sum of direct genetic and environmental influences on individual trait expression. By contrast, community and ecosystem phenotypes arise from interactions with other species that comprise the community. Whether particular species contribute to community phenotypes de ...
... The traditional phenotype is the sum of direct genetic and environmental influences on individual trait expression. By contrast, community and ecosystem phenotypes arise from interactions with other species that comprise the community. Whether particular species contribute to community phenotypes de ...
Ecological Divergence and Reproductive Isolation in an Amazonian
... that P. subserratum found in white-sand habitats differed morphologically in vegetative traits from populations found on terrace and clay soil types. Nuclear sequence data from the same study also showed that populations of P. subserratum from geographically distant clay and terrace soils were more ...
... that P. subserratum found in white-sand habitats differed morphologically in vegetative traits from populations found on terrace and clay soil types. Nuclear sequence data from the same study also showed that populations of P. subserratum from geographically distant clay and terrace soils were more ...
Unit 2 - OpenWetWare
... 6.1 Explain how birth, death, immigration, and emigration influence population size. 6.2 Analyze changes in population size and biodiversity (speciation and extinction) that result from the following: natural causes, changes in climate, human activity, and the introduction of invasive, non-native sp ...
... 6.1 Explain how birth, death, immigration, and emigration influence population size. 6.2 Analyze changes in population size and biodiversity (speciation and extinction) that result from the following: natural causes, changes in climate, human activity, and the introduction of invasive, non-native sp ...
living environment
... (4) Cell A is protecting bacteria so they can reproduce without being destroyed by predators. ...
... (4) Cell A is protecting bacteria so they can reproduce without being destroyed by predators. ...
Genetic epidemiology of Sarcoptes scabiei in the Iberian wolf
... parasites (Luong et al., 2013). The only report, to our knowledge, about ecto-parasites transmission was on Sarcoptes mite transmission in Masai Mara ecosystem (Gakuya et al., 2011). Theoretically, the higher frequency of direct contacts among hosts within trophic chains (especially when acting as p ...
... parasites (Luong et al., 2013). The only report, to our knowledge, about ecto-parasites transmission was on Sarcoptes mite transmission in Masai Mara ecosystem (Gakuya et al., 2011). Theoretically, the higher frequency of direct contacts among hosts within trophic chains (especially when acting as p ...
Document
... Orthologues are similar sequences in two different organisms that have arisen due to a speciation event. Orthologs typically retain identical or similar functionality throughout evolution. Paralogues are similar sequences within a single organism that have arisen due to a gene duplication event. ...
... Orthologues are similar sequences in two different organisms that have arisen due to a speciation event. Orthologs typically retain identical or similar functionality throughout evolution. Paralogues are similar sequences within a single organism that have arisen due to a gene duplication event. ...
Why intraspecific trait variation matters in community ecology
... [13]. In other organisms, diet variation reflects differences in morphology [14,15], digestive physiology [16], individual social status [17], or search images from past experience [18]. Each of these causes of variation can have genetic and environmental sources because most traits exhibit intermed ...
... [13]. In other organisms, diet variation reflects differences in morphology [14,15], digestive physiology [16], individual social status [17], or search images from past experience [18]. Each of these causes of variation can have genetic and environmental sources because most traits exhibit intermed ...
Symbiotic Relationships
... symbiont lives in /on a second species, host • parasitism and mutualism influence community structure the most ...
... symbiont lives in /on a second species, host • parasitism and mutualism influence community structure the most ...
Biodiversity - Jean-Francois Le Galliard
... planet, as well as the genetic differences within species. It also refers to the multitude of different ecosystems in which species form unique communities, interacting with one another and the air, water and soil” (Swingland, 2011 in Encyclopedia of Biodiversity) ...
... planet, as well as the genetic differences within species. It also refers to the multitude of different ecosystems in which species form unique communities, interacting with one another and the air, water and soil” (Swingland, 2011 in Encyclopedia of Biodiversity) ...
INTERACTION OF METALS FROM GROUP 10 (Ni(II), Pd(II
... silver (AgNO3), gold (AuCl3) of periodic table has not yet been determined. Here, we characterized the molecular mechanism of δ-ALA-D inhibition caused by salts of elements from Group 10 and 11 of periodic table. Materials and methods: The δ-ALA-D activity from human erythrocytes was determined with ...
... silver (AgNO3), gold (AuCl3) of periodic table has not yet been determined. Here, we characterized the molecular mechanism of δ-ALA-D inhibition caused by salts of elements from Group 10 and 11 of periodic table. Materials and methods: The δ-ALA-D activity from human erythrocytes was determined with ...
From Population to the Biosphere
... Migration is the movement of individual organisms into or out of a population. Migration affects population growth rate. There are two types of migration: a. Immigration is the movement of individuals into a population from other areas. This increases the population growth rate. b. Emigration is the ...
... Migration is the movement of individual organisms into or out of a population. Migration affects population growth rate. There are two types of migration: a. Immigration is the movement of individuals into a population from other areas. This increases the population growth rate. b. Emigration is the ...
Chapter 12 Communities and Populations Worksheets
... Exponential and Logistic Growth. Curve A shows exponential growth. Curve B shows logistic growth. (Image courtesy of CK-12 Foundation and under the Creative Commons license CC-BY-NC-SA 3.0.) Logistic Growth Most populations do not live under ideal conditions. Therefore, most do not grow exponentiall ...
... Exponential and Logistic Growth. Curve A shows exponential growth. Curve B shows logistic growth. (Image courtesy of CK-12 Foundation and under the Creative Commons license CC-BY-NC-SA 3.0.) Logistic Growth Most populations do not live under ideal conditions. Therefore, most do not grow exponentiall ...
sisters
... Workers have r = 3/4 with sisters, but only r = 1/4 with brothers -their fitness will be maximized when the queen produces a 3:1 sex ratio (more daughters than sons) Who wins the conflict? -in one species of ant, the queen laid eggs in a 1:1 ratio, but at hatching the sex ratio was biased towards ma ...
... Workers have r = 3/4 with sisters, but only r = 1/4 with brothers -their fitness will be maximized when the queen produces a 3:1 sex ratio (more daughters than sons) Who wins the conflict? -in one species of ant, the queen laid eggs in a 1:1 ratio, but at hatching the sex ratio was biased towards ma ...
Section 1: Developing a Theory Key Ideas • Why is evolutionary
... The study of such development is called embryology. This study is interesting because embryos undergo many physical and genetic changes as they develop into mature forms. ...
... The study of such development is called embryology. This study is interesting because embryos undergo many physical and genetic changes as they develop into mature forms. ...
Ecosystems Notes
... These factors, which include natural hazards and limiting factors, all have similar effects on the environment, and can affect each other. These changes can have an effect on the amount of resources available in the environment. This can lead to competition for food, water, space, or shelter. ...
... These factors, which include natural hazards and limiting factors, all have similar effects on the environment, and can affect each other. These changes can have an effect on the amount of resources available in the environment. This can lead to competition for food, water, space, or shelter. ...
Bizarre structures in dinosaurs: species recognition or sexual
... with which it last shared a common ancestor more than 5 million years prior. Depending on the primary mode of macroevolutionary change (cladogenetic vs. anagenetic), it is certainly conceivable, perhaps even likely, that sister taxa within these clades (e.g. C. apertus and Styracosaurus albertensis ...
... with which it last shared a common ancestor more than 5 million years prior. Depending on the primary mode of macroevolutionary change (cladogenetic vs. anagenetic), it is certainly conceivable, perhaps even likely, that sister taxa within these clades (e.g. C. apertus and Styracosaurus albertensis ...
Speciation
... Population ecology • Sex ratio = proportion of males to females - in monogamous species, a 50/50 sex ratio maximizes population growth • Age structure (distribution) = the relative numbers of organisms of each age within a population - Age structure diagrams (pyramids) = show the age structure of p ...
... Population ecology • Sex ratio = proportion of males to females - in monogamous species, a 50/50 sex ratio maximizes population growth • Age structure (distribution) = the relative numbers of organisms of each age within a population - Age structure diagrams (pyramids) = show the age structure of p ...
WHAT TO KNOW FOR CH
... What is acid rain? What causes it? What kinds of effects is it having and where? What is the ozone hole? What problems is this causing? What is destroying the ozone layer? How does it manage to do this? What is global warming? What is the cause of this phenomenon? Describe the greenhouse effect. How ...
... What is acid rain? What causes it? What kinds of effects is it having and where? What is the ozone hole? What problems is this causing? What is destroying the ozone layer? How does it manage to do this? What is global warming? What is the cause of this phenomenon? Describe the greenhouse effect. How ...
AP Biology Summer Assignment- Due Date: Wednesday, Aug 21s
... prey species. Sea urchins were shown to limit the abundance and distribution of seaweeds. Abiotic Factors Global patterns of geographic distributions are influenced by abiotic factors such as regional differences in temperature, rainfall, and light. An environment may have both spatial and temporal ...
... prey species. Sea urchins were shown to limit the abundance and distribution of seaweeds. Abiotic Factors Global patterns of geographic distributions are influenced by abiotic factors such as regional differences in temperature, rainfall, and light. An environment may have both spatial and temporal ...
3 UNIT HW student version
... In hot springs live photosynthetic bacteria and algae. Some flies, called Ephydrid flies lie eggs onto the algae mats. Their larvae feed on the algae and the bacteria. Another fly, the Colichopodid fly feeds on the eggs and larvae of the herbivorous fly. Dragonflies, wasps, spiders, tiger beetles al ...
... In hot springs live photosynthetic bacteria and algae. Some flies, called Ephydrid flies lie eggs onto the algae mats. Their larvae feed on the algae and the bacteria. Another fly, the Colichopodid fly feeds on the eggs and larvae of the herbivorous fly. Dragonflies, wasps, spiders, tiger beetles al ...
Heterospecific courtship, minority effects and niche separation
... competitive exclusion is instead driven by genetic drift and non-resource related selection (reviewed in Gordon, 2000). This might especially apply to phytophagous insects that often experience much lower population densities than the density of their host plant resource (Lawton & Strong, 1981), whi ...
... competitive exclusion is instead driven by genetic drift and non-resource related selection (reviewed in Gordon, 2000). This might especially apply to phytophagous insects that often experience much lower population densities than the density of their host plant resource (Lawton & Strong, 1981), whi ...
5 Annual Undergraduate Research Symposium 2013
... underground caves on the Yucatan Peninsula and are their natural fungal symbionts present in these portions of the root system? [poster presentation] Kevin Amses, Humboldt State University, and Chicago Botanic Garden, Glencoe, IL The seasonally dry forests of the eastern Yucatan peninsula represent ...
... underground caves on the Yucatan Peninsula and are their natural fungal symbionts present in these portions of the root system? [poster presentation] Kevin Amses, Humboldt State University, and Chicago Botanic Garden, Glencoe, IL The seasonally dry forests of the eastern Yucatan peninsula represent ...