An Introduction to Ecology and the Biosphere Chapter 50
... Section 50.2 - Interactions between organisms and the environment limit the distribution of species. The study of the distribution of organisms past and present is called biogeography. There are several factors that influence (limit) an organism’s distribution. 1) dispersal: the movement of individ ...
... Section 50.2 - Interactions between organisms and the environment limit the distribution of species. The study of the distribution of organisms past and present is called biogeography. There are several factors that influence (limit) an organism’s distribution. 1) dispersal: the movement of individ ...
Carrying capacity
... capacity could support a positive natural increase, or could require a negative natural increase. Thus, the carrying capacity is the number of individuals an environment can support without significant negative impacts to the given organism and its environment. Below carrying capacity, populations t ...
... capacity could support a positive natural increase, or could require a negative natural increase. Thus, the carrying capacity is the number of individuals an environment can support without significant negative impacts to the given organism and its environment. Below carrying capacity, populations t ...
Clonal selection prevents tragedy of the commons when neighbors
... cluster structures of species 2 and 3 disappear in these limits, which negates (3) allowing species 1 to survive. ...
... cluster structures of species 2 and 3 disappear in these limits, which negates (3) allowing species 1 to survive. ...
Ecosystems
... interact in order to get the things they need? • What does this mean in terms of these factors affecting the size of a population of organisms? ...
... interact in order to get the things they need? • What does this mean in terms of these factors affecting the size of a population of organisms? ...
4 Hierarchical competition in a pond-breeding anuran
... larvae community in a Mediterranean area. The anuran larval guild is characterised by the co-occurrence of distinct species in the same pond at high densities during development with a high niche overlap. For these reasons anuran larvae have been studied widely as a model system for competition. Bod ...
... larvae community in a Mediterranean area. The anuran larval guild is characterised by the co-occurrence of distinct species in the same pond at high densities during development with a high niche overlap. For these reasons anuran larvae have been studied widely as a model system for competition. Bod ...
Slide 1
... All the populations of different organisms within a given area make up the community. Ex: All of the populations in ODTÜ forest ...
... All the populations of different organisms within a given area make up the community. Ex: All of the populations in ODTÜ forest ...
Department of Biology: Indiana University Bloomington
... track of relevant numbers on the Calculations Overhead). c. Some ecological details of our sea floor community: (1) Sea otters are predators of sea urchins (prey). (2) Each kelp colony supports 5-6 other species such as small fish, sea slugs, algae, or sea horses. Kelp colonies can only persist if t ...
... track of relevant numbers on the Calculations Overhead). c. Some ecological details of our sea floor community: (1) Sea otters are predators of sea urchins (prey). (2) Each kelp colony supports 5-6 other species such as small fish, sea slugs, algae, or sea horses. Kelp colonies can only persist if t ...
View Doc - Science-b
... 13. ______ Which term describes the capacity to do work and transfer heat? a. temperature b. entropy c. energy d. radiation 14. ______ Still water stored behind a dam has a large amount of a. kinetic energy. b. potential energy. c. chemical energy. d. heat energy. 15. ______ Which law of thermodynam ...
... 13. ______ Which term describes the capacity to do work and transfer heat? a. temperature b. entropy c. energy d. radiation 14. ______ Still water stored behind a dam has a large amount of a. kinetic energy. b. potential energy. c. chemical energy. d. heat energy. 15. ______ Which law of thermodynam ...
6-8 - Wave Foundation
... the shell because the spine and rib cage are connected to the shell. They also feel pain and pressure through the shell as nerves run throughout the shell. The upper shell of a turtle shell is called the carapace, and the bottom portion is called the plastron. These sections are connected on the sid ...
... the shell because the spine and rib cage are connected to the shell. They also feel pain and pressure through the shell as nerves run throughout the shell. The upper shell of a turtle shell is called the carapace, and the bottom portion is called the plastron. These sections are connected on the sid ...
4.1: Communities and ecosystems
... populations get larger and therefore reduces the number of individuals who can reproduce. Predators can hunt more successfully as the prey population increases, which in turn increases the population of predators (negative feedback). Resources become scarce when a population is large, which in turn ...
... populations get larger and therefore reduces the number of individuals who can reproduce. Predators can hunt more successfully as the prey population increases, which in turn increases the population of predators (negative feedback). Resources become scarce when a population is large, which in turn ...
Part 7 (10 points)
... Goal: Describe the limiting factors that are causing your species to go extinct. A limiting factor is a problem that causes the population of the species to decrease. Why is this species going extinct? (1 points) Why should we save this species? (1 points) __________Density-Dependent limiting ...
... Goal: Describe the limiting factors that are causing your species to go extinct. A limiting factor is a problem that causes the population of the species to decrease. Why is this species going extinct? (1 points) Why should we save this species? (1 points) __________Density-Dependent limiting ...
Populations - OnMyCalendar
... Selects for life history traits that are sensitive to population density. Produce relative FEW offspring that have a GOOD chance of survival. r-selection, or density-independent selection Selects for life history traits that maximize reproduction. High reproductive rate is the chief determ ...
... Selects for life history traits that are sensitive to population density. Produce relative FEW offspring that have a GOOD chance of survival. r-selection, or density-independent selection Selects for life history traits that maximize reproduction. High reproductive rate is the chief determ ...
Rocky Intertidal Zonation
... (competition for space among sessile species, competition for food among grazing gastropodsintraspecific competition and interspecific competition and their relationships, effects of competition on life histories) 競爭關係 • 6. Predation on rocky shore (e.g., whelks, crabs, fish and birds) (predation by ...
... (competition for space among sessile species, competition for food among grazing gastropodsintraspecific competition and interspecific competition and their relationships, effects of competition on life histories) 競爭關係 • 6. Predation on rocky shore (e.g., whelks, crabs, fish and birds) (predation by ...
How similar can co-occurring species be in the presence of
... Most ecological interactions are driven by processes that are purely stochastic [27]. Individuals are discrete entities. The arrival of new individuals (dispersal limitation) or the succession of local births and deaths (ecological drift) are events that inherently occur at random instants. Thus, th ...
... Most ecological interactions are driven by processes that are purely stochastic [27]. Individuals are discrete entities. The arrival of new individuals (dispersal limitation) or the succession of local births and deaths (ecological drift) are events that inherently occur at random instants. Thus, th ...
Specific LO-animal and plants
... Describe interspecific competition for resources Commensal + / host 0, shark and remora, anemone and nemo, Define types of exploitation with examples. follicle and mites -/- Sheep / rabbits, introduced species and natives…mice/ ...
... Describe interspecific competition for resources Commensal + / host 0, shark and remora, anemone and nemo, Define types of exploitation with examples. follicle and mites -/- Sheep / rabbits, introduced species and natives…mice/ ...
Facilitation and competition in the high Arctic: the importance of the
... different growth forms. Luzula has a significant facilitative effect on Salix whilst the reverse is not true. As Luzula is a taller species, amelioration of the physical environment (wind stress, evaporation Brooker and Callaghan, 1998) is a possible candidate of the facilitative mechanism. Temperat ...
... different growth forms. Luzula has a significant facilitative effect on Salix whilst the reverse is not true. As Luzula is a taller species, amelioration of the physical environment (wind stress, evaporation Brooker and Callaghan, 1998) is a possible candidate of the facilitative mechanism. Temperat ...
4-1
... Increasing public deficits to fund higher pension and health-care costs Pensions may be cut and retirement age increased Fig. 4-15 ...
... Increasing public deficits to fund higher pension and health-care costs Pensions may be cut and retirement age increased Fig. 4-15 ...
Similarities in perceived predation risk prevent temporal partitioning
... Temporal separation as a mechanism leading to coexistence (Schoener 1974) has been found in a wide range of animal species (e.g., Gutman and Dayan 2005; Leisnham et al. 2014; and examples in Kronfeld-Schor and Dayan 2003). However, 1 thing that has not been extensively considered is how predation ri ...
... Temporal separation as a mechanism leading to coexistence (Schoener 1974) has been found in a wide range of animal species (e.g., Gutman and Dayan 2005; Leisnham et al. 2014; and examples in Kronfeld-Schor and Dayan 2003). However, 1 thing that has not been extensively considered is how predation ri ...
The Smart Organism: Reinforcing NC Biology Curriculum for Ecology and Human Impacts
... needs to survive and reproduce. An organism’s niche is the role it plays in the environment, and it includes any relationships it may have with others within its species or with other species. An organism’s niche must contain all of the resources an organism needs to survive. A resource is any neces ...
... needs to survive and reproduce. An organism’s niche is the role it plays in the environment, and it includes any relationships it may have with others within its species or with other species. An organism’s niche must contain all of the resources an organism needs to survive. A resource is any neces ...
Review sheet for Midterm #2
... and freshwater systems? What adaptations do organisms in these different systems have to cope with their particular environment? Do all fish do this in a similar way? What must happen physiologically with respect to these adaptations to hypoosmotic and hyperosmotic environments when salmon migrate f ...
... and freshwater systems? What adaptations do organisms in these different systems have to cope with their particular environment? Do all fish do this in a similar way? What must happen physiologically with respect to these adaptations to hypoosmotic and hyperosmotic environments when salmon migrate f ...
Scientist
... increasing organism size. – Damuth found the population density of herbivorous mammals decreased with increased body size. – Peters and Wassenberg found aquatic invertebrates tend to have higher population densities than terrestrial invertebrates of similar size. • Mammals tend to have higher popula ...
... increasing organism size. – Damuth found the population density of herbivorous mammals decreased with increased body size. – Peters and Wassenberg found aquatic invertebrates tend to have higher population densities than terrestrial invertebrates of similar size. • Mammals tend to have higher popula ...