Chapter 4 Population Biology
... 1. In nature, some populations remain in equilibrium (a state of rest or balance), some do not A. This occurs because there are 2 basic growth patterns, called life history patterns, that populations can follow i. Some populations reproduce very rapidly and produce many offspring (r-selected) 1. Ex. ...
... 1. In nature, some populations remain in equilibrium (a state of rest or balance), some do not A. This occurs because there are 2 basic growth patterns, called life history patterns, that populations can follow i. Some populations reproduce very rapidly and produce many offspring (r-selected) 1. Ex. ...
R and K selection
... Limiting Factor—factor which is most limiting to growth of population. Usually occurs in some hierarchy. This means that death from winter is the limiting factor. So if you manage for predator losses or food supply losses you will still wind up low because of deaths from winter storms because there' ...
... Limiting Factor—factor which is most limiting to growth of population. Usually occurs in some hierarchy. This means that death from winter is the limiting factor. So if you manage for predator losses or food supply losses you will still wind up low because of deaths from winter storms because there' ...
population
... when populations have plenty of food and space, and have no competition or predators. • For example, population explosions occur when bacteria or molds grow on a new source of food. ...
... when populations have plenty of food and space, and have no competition or predators. • For example, population explosions occur when bacteria or molds grow on a new source of food. ...
Lecture Slides
... Stock • A group of individuals of the same species where immigration and emigration are negligible in relation to growth and mortality. A stock is a selfcontained population with its own spawning area. Fishing upon one stock has no effect upon other stocks.” – paraphrased from Holden and Raitt, 1974 ...
... Stock • A group of individuals of the same species where immigration and emigration are negligible in relation to growth and mortality. A stock is a selfcontained population with its own spawning area. Fishing upon one stock has no effect upon other stocks.” – paraphrased from Holden and Raitt, 1974 ...
I can compare 2 different biomes by explaining how they are similar
... 20. Describe the five major types of interactions between species. 21. Explain the difference between parasitism and predation. 22. Explain how symbiotic relationships may evolve. 23. Describe how the size and growth rate of the human population has changed in the last 200 years. 24. Define four pro ...
... 20. Describe the five major types of interactions between species. 21. Explain the difference between parasitism and predation. 22. Explain how symbiotic relationships may evolve. 23. Describe how the size and growth rate of the human population has changed in the last 200 years. 24. Define four pro ...
Population Dynamics of Exotic Insects
... the two species must not be identical, but in fact must be different. It is only by being different that one can win and maintain an advantage over the other and thus displace it. As a result of this concern over exact identity, the concept of competitive displacemcnt has come to be considered a uni ...
... the two species must not be identical, but in fact must be different. It is only by being different that one can win and maintain an advantage over the other and thus displace it. As a result of this concern over exact identity, the concept of competitive displacemcnt has come to be considered a uni ...
word version of study questions
... pattern and why it makes sense. Are whales likely to show this sort of response? Why or why not? ...
... pattern and why it makes sense. Are whales likely to show this sort of response? Why or why not? ...
Jiang_Feb_22_2008
... The negative selection effect may contribute significantly to the BEF relationship. The positive BEF relationship for aggregate community biomass may not be generalized to other ecosystem functions. Positive BEF relations should be uncommon when examining ecosystem functions for which species compet ...
... The negative selection effect may contribute significantly to the BEF relationship. The positive BEF relationship for aggregate community biomass may not be generalized to other ecosystem functions. Positive BEF relations should be uncommon when examining ecosystem functions for which species compet ...
AP Biology Study Guide
... 3. Define interspecific competition, mutualism, predation, herbivory, and parasitism, and provide examples of each. 4. Define an ecological niche. Explain how interspecific competition can occur when the niches of two populations overlap. 5. Describe the mutualistic relationship between corals and d ...
... 3. Define interspecific competition, mutualism, predation, herbivory, and parasitism, and provide examples of each. 4. Define an ecological niche. Explain how interspecific competition can occur when the niches of two populations overlap. 5. Describe the mutualistic relationship between corals and d ...
Marine Ecology 2011-final Lecture 2, pop
... • Natural selection will produce a life history strategy that maximizes the individual fitness of an organism by optimizing the allocation of energy between these function. • Fixed amounts of energy (investing energy in one will take it from another) The goal of theory of life history strategies: to ...
... • Natural selection will produce a life history strategy that maximizes the individual fitness of an organism by optimizing the allocation of energy between these function. • Fixed amounts of energy (investing energy in one will take it from another) The goal of theory of life history strategies: to ...
Bell Work Questions
... 1. Describe the environment these animals share. If you know the name of this biome, include it. 2. Propose a food web that includes most if not all of these animals. Organize it on your table top for your teacher to check. 3. What organisms would also have to be present for this food web to work? 4 ...
... 1. Describe the environment these animals share. If you know the name of this biome, include it. 2. Propose a food web that includes most if not all of these animals. Organize it on your table top for your teacher to check. 3. What organisms would also have to be present for this food web to work? 4 ...
niche principles and 4 case studies
... Fundamental niche is the entire set of conditions under which an animal (population, species) can survive and reproduce itself. Realized niche is the set of conditions actually used by given animal (pop, species), after interactions with other species (predation and especially competition) have been ...
... Fundamental niche is the entire set of conditions under which an animal (population, species) can survive and reproduce itself. Realized niche is the set of conditions actually used by given animal (pop, species), after interactions with other species (predation and especially competition) have been ...
Natural Selection - RMC Science Home
... • Over the next several slides, you’ll see some species that in some way demonstrate natural selection • Your job is to decide how that species has been affected by natural selection, or to decide which animal is most likely to pass it genes along ...
... • Over the next several slides, you’ll see some species that in some way demonstrate natural selection • Your job is to decide how that species has been affected by natural selection, or to decide which animal is most likely to pass it genes along ...
ppt - Kyle Harms
... Stability (in the strict mathematical sense) – a system is stable if, and only if, the variables all return to equilibrium conditions after displacement from them Resilience – the rapidity with which a variable that has been displaced from equilibrium returns to it Persistence – the duration that a ...
... Stability (in the strict mathematical sense) – a system is stable if, and only if, the variables all return to equilibrium conditions after displacement from them Resilience – the rapidity with which a variable that has been displaced from equilibrium returns to it Persistence – the duration that a ...
Diversity and the Coevolution of Competitors, or the Ghost of
... that it is an assemblage of organisms living together. Interactions of various sorts confer structure on the community: energy flowing from plants to animals and microbes, matter cycling from one to another, animals pollinating flowers, etc. Whereas some of these interactions are positive for both m ...
... that it is an assemblage of organisms living together. Interactions of various sorts confer structure on the community: energy flowing from plants to animals and microbes, matter cycling from one to another, animals pollinating flowers, etc. Whereas some of these interactions are positive for both m ...
Response to External Factors
... How do populations grow? • Idealized models describe two kinds of population growth 1. exponential growth 2. logistic growth ...
... How do populations grow? • Idealized models describe two kinds of population growth 1. exponential growth 2. logistic growth ...
Chapter 8 Population Ecology Definitions and concepts
... Characteristics of species with high r -reproduce early in life -short generation times -can reproduce many times -many offsprings each time they reproduce ...
... Characteristics of species with high r -reproduce early in life -short generation times -can reproduce many times -many offsprings each time they reproduce ...
Ch43 Lecture-Populations
... Births Increase and Deaths Decrease Population Size Per capita birth rate (b)—number of offspring individual produces Per capita death rate (d)—average individual’s chance of dying Per capita growth rate (r) = (b – d) = average individual’s contribution to total population growth rate If b > d, the ...
... Births Increase and Deaths Decrease Population Size Per capita birth rate (b)—number of offspring individual produces Per capita death rate (d)—average individual’s chance of dying Per capita growth rate (r) = (b – d) = average individual’s contribution to total population growth rate If b > d, the ...