problemy ekorozwoju – problems of sustainable development
... food, people have learned to breed many animal species and to grow even more plant varieties. Contemporary agriculture is focused on the same goal, but additionally seeks to develop new production systems with the lowest possible environmental impact. The increase in the global human population forc ...
... food, people have learned to breed many animal species and to grow even more plant varieties. Contemporary agriculture is focused on the same goal, but additionally seeks to develop new production systems with the lowest possible environmental impact. The increase in the global human population forc ...
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... However, populations do not usually grow unchecked. Their growth is limited by predators, disease, and the availability of resources. Eventually, growth slows, and the population may stabilize. The population size that an environment can sustain is called the carrying capacity. As a population grows ...
... However, populations do not usually grow unchecked. Their growth is limited by predators, disease, and the availability of resources. Eventually, growth slows, and the population may stabilize. The population size that an environment can sustain is called the carrying capacity. As a population grows ...
Evolutionarily stable range limits set by interspecific competition
... stable limit can be set by a lack of resources, even in the absence of competition. Continuing with the finch–seed example, it may be impossible for small finches to consume large seeds, because no individuals in the population are able to crack them. Then, as the small seed disappears, despite the ...
... stable limit can be set by a lack of resources, even in the absence of competition. Continuing with the finch–seed example, it may be impossible for small finches to consume large seeds, because no individuals in the population are able to crack them. Then, as the small seed disappears, despite the ...
Relative abundance I: commonness and rarity
... Large area needs Large body size-large home range-high trophic level Species of productive habitats used by people Migratory species Highly concentrated populations for breeding Limited dispersal ability Low population growth rate Low genetic variation High dependence on species that are extinction ...
... Large area needs Large body size-large home range-high trophic level Species of productive habitats used by people Migratory species Highly concentrated populations for breeding Limited dispersal ability Low population growth rate Low genetic variation High dependence on species that are extinction ...
SUMMARY OF FINDINGS STRIVE Report No. 67
... provide data, currently lacking on many Irish ant species; To assure and extend the guaranteed protection of limestone pavements as prime habitats for species richness of ants, and many other species; To compile knowledge on localities where ant species are known to support populations of rare s ...
... provide data, currently lacking on many Irish ant species; To assure and extend the guaranteed protection of limestone pavements as prime habitats for species richness of ants, and many other species; To compile knowledge on localities where ant species are known to support populations of rare s ...
Bio 5.2
... available resources. Fewer resources means greater competition for those resources. Competition can be within one’s own species. For example, many grazing species compete for territories in which to breed and raise offspring. Competition can also be between different species that attempt to use simi ...
... available resources. Fewer resources means greater competition for those resources. Competition can be within one’s own species. For example, many grazing species compete for territories in which to breed and raise offspring. Competition can also be between different species that attempt to use simi ...
Population Ecology_AP Bio
... b. Grasses, many insects -Usually quickly invade, reproduce many offspring and die -Offspring mature quickly and require very little parental ...
... b. Grasses, many insects -Usually quickly invade, reproduce many offspring and die -Offspring mature quickly and require very little parental ...
Conservation of Biodiversity
... diversity is a broad term that refers to all life forms found within forested areas and the ecological roles they perform. As such, forest biological diversity encompasses not just trees, but the multitude of plants, animals and micro-organisms that inhabit forest areas and their associated genetic ...
... diversity is a broad term that refers to all life forms found within forested areas and the ecological roles they perform. As such, forest biological diversity encompasses not just trees, but the multitude of plants, animals and micro-organisms that inhabit forest areas and their associated genetic ...
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... Differentiation: undifferentiated cells become specialized when specific parts of DNA are activated; influenced by environment (all cells have same DNA and chromosomes; only certain genes are “activated” in each cell) Multicellular organisms: begin as a ball of cells; cells differentiate; cells rele ...
... Differentiation: undifferentiated cells become specialized when specific parts of DNA are activated; influenced by environment (all cells have same DNA and chromosomes; only certain genes are “activated” in each cell) Multicellular organisms: begin as a ball of cells; cells differentiate; cells rele ...
Ch 8 and 9_9weeks partial
... d. pursuit and ambush. b. acute senses of sight and smell. e. warning and ambush. c. protective shells. ____ 26. You are an evolutionary entomologist. You have observed beetles who can raise their abdomens and give off a defensive chemical that generally repels predators. You discover a new species ...
... d. pursuit and ambush. b. acute senses of sight and smell. e. warning and ambush. c. protective shells. ____ 26. You are an evolutionary entomologist. You have observed beetles who can raise their abdomens and give off a defensive chemical that generally repels predators. You discover a new species ...
Chapter 3 Environment: The Science behind the Stories 4th Edition
... Each organism has habitat needs • Habitat = the environment where an organism lives - It includes living and nonliving elements • Habitat use = each organism thrives in certain habitats, but not in others - Results in nonrandom patterns of use • Habitat selection = the process by which organisms ac ...
... Each organism has habitat needs • Habitat = the environment where an organism lives - It includes living and nonliving elements • Habitat use = each organism thrives in certain habitats, but not in others - Results in nonrandom patterns of use • Habitat selection = the process by which organisms ac ...
surveying for ranavirus in green frogs (lithobates clamitans) at five
... highest prevalence of the disease is detected in the fall (Hoverman et al., 2012), which would mean our data were collected during an ideal time period. Our sample sizes between wetlands varied greatly (Tippecanoe Co. N=46 vs. Whitley Co. N=16), which can decrease detectability of the disease partic ...
... highest prevalence of the disease is detected in the fall (Hoverman et al., 2012), which would mean our data were collected during an ideal time period. Our sample sizes between wetlands varied greatly (Tippecanoe Co. N=46 vs. Whitley Co. N=16), which can decrease detectability of the disease partic ...
Acta Oecologica-International Journal of Ecology
... jarrovi). Although the spatial niche overlap values between most paired species are very low, according to common niche theory, this does not prove that interspecific competition was the structuring force which produced the observed pattern, nor that competitive interactions are presently excluded b ...
... jarrovi). Although the spatial niche overlap values between most paired species are very low, according to common niche theory, this does not prove that interspecific competition was the structuring force which produced the observed pattern, nor that competitive interactions are presently excluded b ...
Ecology Self-study guide
... A. Be able to identify the various ecological levels of organization found in the biosphere. Explain the idea of interconnectedness and how it relates to food webs and nutrient cycles. (Pages 359-362) B. Be able to explain how organisms react to changes either abiotic or biotic in their habitat and ...
... A. Be able to identify the various ecological levels of organization found in the biosphere. Explain the idea of interconnectedness and how it relates to food webs and nutrient cycles. (Pages 359-362) B. Be able to explain how organisms react to changes either abiotic or biotic in their habitat and ...
MixMAP: An R Package for Mixed Modeling of Meta
... p value for each SNP as a measure of significance of the association with the trait. Since interest generally lies in characterizing association between genes (or gene regions) and the trait, where genes are comprised of multiple SNPs, an additional analysis step is required. One simple approach tha ...
... p value for each SNP as a measure of significance of the association with the trait. Since interest generally lies in characterizing association between genes (or gene regions) and the trait, where genes are comprised of multiple SNPs, an additional analysis step is required. One simple approach tha ...
Red Legged Frogs at Mori Point - Golden Gate National Parks
... Baja California. It is now found primarily in coastal drainages in central California, from Marin County south to San Simeon. In the 1880s, a booming commercial demand for frog’s legs led to over-harvest of this species. Today, the primary threat to red-legged frogs comes from habitat loss caused by ...
... Baja California. It is now found primarily in coastal drainages in central California, from Marin County south to San Simeon. In the 1880s, a booming commercial demand for frog’s legs led to over-harvest of this species. Today, the primary threat to red-legged frogs comes from habitat loss caused by ...
eco chpt 3
... C. Examples: Food availability and temperature D. These factors may limit one population, but the affect on one population in a community can affect others ...
... C. Examples: Food availability and temperature D. These factors may limit one population, but the affect on one population in a community can affect others ...
SPECIES INTERACTIONS
... populations declined and in the other population density stopped increasing. Control population densities increased. 2. The decline in density of males was greater than found in the control areas. 3. The ratio of young to old males decreased more in experimental populations than controls. 4. The den ...
... populations declined and in the other population density stopped increasing. Control population densities increased. 2. The decline in density of males was greater than found in the control areas. 3. The ratio of young to old males decreased more in experimental populations than controls. 4. The den ...
Evolution of stabilising weak links in food webs
... including genetic and behavioural evolution, and changes in the spatial overlap of populations.. The interaction strength represents the balance of power between the species, each species tends to evolve more effective means of dealing with the other, but ...
... including genetic and behavioural evolution, and changes in the spatial overlap of populations.. The interaction strength represents the balance of power between the species, each species tends to evolve more effective means of dealing with the other, but ...
Estimation of population sizes and "home ranges" of polyphagous
... recapture data were used to calculate population sizes using the Petersen-Lincoln index, while the grid location and the time elapsed to recaptures were used to assess the "home range" of the animals. The study focused on the dominant predatory arthropods: Harpalus rufipes (Coleoptera, Carabidae), C ...
... recapture data were used to calculate population sizes using the Petersen-Lincoln index, while the grid location and the time elapsed to recaptures were used to assess the "home range" of the animals. The study focused on the dominant predatory arthropods: Harpalus rufipes (Coleoptera, Carabidae), C ...
BioInformatics at FSU - whose job is it and why it needs
... Proteomics is the subdivision of genomics concerned with analyzing the protein complement, i.e. the proteome. The Human Genome Project and numerous the data coming at alarming rates. ...
... Proteomics is the subdivision of genomics concerned with analyzing the protein complement, i.e. the proteome. The Human Genome Project and numerous the data coming at alarming rates. ...