Jelly Bean Diversity
... dominated by just one species – the buttercup. A community dominated by one or two species is considered to be less diverse than one in which several different species have a similar abundance. Simpson’s index (D) is a measure of diversity, which takes into account both species richness, and an even ...
... dominated by just one species – the buttercup. A community dominated by one or two species is considered to be less diverse than one in which several different species have a similar abundance. Simpson’s index (D) is a measure of diversity, which takes into account both species richness, and an even ...
- Orangefield ISD
... owners of territory defend it and its resources against rivals. Stress-related diseases occur in some species when conditions become overcrowded. ...
... owners of territory defend it and its resources against rivals. Stress-related diseases occur in some species when conditions become overcrowded. ...
PRINCIPLES OF PHYLOGENETICS: ECOLOGY
... The field of community ecology asks: what are the processes responsible for the identity and relative abundance of species that cooccur in local assemblages, and how do these vary through time? These processes span a wide range, from ecophysiology and stress tolerance, to the intricacies of biotic i ...
... The field of community ecology asks: what are the processes responsible for the identity and relative abundance of species that cooccur in local assemblages, and how do these vary through time? These processes span a wide range, from ecophysiology and stress tolerance, to the intricacies of biotic i ...
Interactions Within Ecosystems0
... places. May contain several ecosystems within it. • Ecosystem = The living & non-living factors that interact to form a stable system. (smaller than a biome & includes only organisms and their local environment). • Community = living components of the ecosystem that interact with each other • Popula ...
... places. May contain several ecosystems within it. • Ecosystem = The living & non-living factors that interact to form a stable system. (smaller than a biome & includes only organisms and their local environment). • Community = living components of the ecosystem that interact with each other • Popula ...
Tuesday, May 30th, 2006 Aim: How does biological
... natural processes that renew some resources (ex. Fish) ...
... natural processes that renew some resources (ex. Fish) ...
Principles of Ecology
... • Relationship where there is a close and permanent association between organisms of different species. Three kinds: • Mutualism • Commensalism • parasitism ...
... • Relationship where there is a close and permanent association between organisms of different species. Three kinds: • Mutualism • Commensalism • parasitism ...
Biology 30 Chapter 20 - Vegreville Composite High
... the overall optimum ranges for abiotic factors for each species is different because each species reacts to each factor differently any abiotic factors that are not affected by population density are density independent such factors include temperature & climate factors that are dependent on the pop ...
... the overall optimum ranges for abiotic factors for each species is different because each species reacts to each factor differently any abiotic factors that are not affected by population density are density independent such factors include temperature & climate factors that are dependent on the pop ...
Community Ecology
... • Species Richness: the total number of different populations (species) that occupy a community. • Species Evenness: the relative abundance of organisms in each population. Determine the richness and evenness of the two tree communities. Which community is more biodiverse? ...
... • Species Richness: the total number of different populations (species) that occupy a community. • Species Evenness: the relative abundance of organisms in each population. Determine the richness and evenness of the two tree communities. Which community is more biodiverse? ...
Invasive Species - Department of Environmental Studies
... How long do you have to inhabit an area to be a ...
... How long do you have to inhabit an area to be a ...
HSA HW Packet #5
... D. They can prey on native organisms causing them to go extinct. 28. A scientist wanted to find out if low numbers of fish found in a nearby lake were related to acid rain. During his three-year study, he analyzed rainwater and lake water samples. By gathering samples of fish, he estimated the numbe ...
... D. They can prey on native organisms causing them to go extinct. 28. A scientist wanted to find out if low numbers of fish found in a nearby lake were related to acid rain. During his three-year study, he analyzed rainwater and lake water samples. By gathering samples of fish, he estimated the numbe ...
Interactive Review CHAPTER REVIEW Reviewing Vocabulary
... Population growth accommodates changes in population size due to births and deaths as well as immigration and emigration. Populations experiencing exponential growth increase dramatically over time. When resources become a limiting factor, a population will grow logistically until it reaches the env ...
... Population growth accommodates changes in population size due to births and deaths as well as immigration and emigration. Populations experiencing exponential growth increase dramatically over time. When resources become a limiting factor, a population will grow logistically until it reaches the env ...
11-Community
... communities is the question about whether communities are ‘open’ or ‘closed’. Closed communities describe associations where the species are tightly tied to one another and that the ecological limits of a given species coincide strongly with the limits of all the other species in the community. Open ...
... communities is the question about whether communities are ‘open’ or ‘closed’. Closed communities describe associations where the species are tightly tied to one another and that the ecological limits of a given species coincide strongly with the limits of all the other species in the community. Open ...
Biology MCAS Prep 12/13 Topic: Evolution and Biodiversity
... The ratio of males to females in the group is different than in the general population. D. The new habitat has conditions that differ significantly from those in the old habitat. ...
... The ratio of males to females in the group is different than in the general population. D. The new habitat has conditions that differ significantly from those in the old habitat. ...
Slide 1
... affects individuals and is independent of what happens to others in the population – natality - birth or hatching; # of young born or hatched within a specified period of time Examples: all fawns born to deer herd in a year; measured as # of offspring/1000 female ...
... affects individuals and is independent of what happens to others in the population – natality - birth or hatching; # of young born or hatched within a specified period of time Examples: all fawns born to deer herd in a year; measured as # of offspring/1000 female ...
CP-Bio Ch. 27 (Populations)
... Population Size- All members of the same species living in the same place at the same time • Species- Any group of organisms that are able to reproduce and produce fertile offspring • Birthrate- # of organisms born in a period of time, usually expressed as the number of births each year for every 1 ...
... Population Size- All members of the same species living in the same place at the same time • Species- Any group of organisms that are able to reproduce and produce fertile offspring • Birthrate- # of organisms born in a period of time, usually expressed as the number of births each year for every 1 ...
Molecular Evolution Molecular differences accumulate linearly
... Left portion (exon) is functional—codes for protein ...
... Left portion (exon) is functional—codes for protein ...
Lecture 3: Wildlife Ecological Principles and Population Ecology Part 2
... still breeding), 4-13 years are reproductive male and female adults, and 13+ years are senescent adult females (males likely still breeding). ...
... still breeding), 4-13 years are reproductive male and female adults, and 13+ years are senescent adult females (males likely still breeding). ...
Ground Rules, exams, etc. (no “make up” exams) Text: read
... Species Diversity = “Biodiversity” Regional <—> Local <—> Point diversity Saturation with species Four ways in which diversity can differ 1. Range of available resources 2. Degree of saturation ...
... Species Diversity = “Biodiversity” Regional <—> Local <—> Point diversity Saturation with species Four ways in which diversity can differ 1. Range of available resources 2. Degree of saturation ...
E. coli
... are our data consistently supporting same phylogeny? outgroup comparison ‘roots’ phylogeny at ancestral node ...
... are our data consistently supporting same phylogeny? outgroup comparison ‘roots’ phylogeny at ancestral node ...