Population Ecology
... The maximum number of individuals that a particular environment can support over a long period of time Determined by such limiting factors as crowding and food resources Graph levels off at carrying capacity K-selected populations (equilibrial populations) live near or at the carrying capacity ...
... The maximum number of individuals that a particular environment can support over a long period of time Determined by such limiting factors as crowding and food resources Graph levels off at carrying capacity K-selected populations (equilibrial populations) live near or at the carrying capacity ...
Niche Diversification Hypothesis
... a) inverse relationships in species abundances b) most abundant species at any time suffers disproportionate mortality ...
... a) inverse relationships in species abundances b) most abundant species at any time suffers disproportionate mortality ...
Biotic and Abiotic Influences on Ecosystems
... are able to survive the abiotic conditions in dense forests, they are more abundant in open woodlands. This is where they obtain preferred food species and can watch for predators. Many key biotic factors involve interactions between individuals. Individuals are often in competition with members of ...
... are able to survive the abiotic conditions in dense forests, they are more abundant in open woodlands. This is where they obtain preferred food species and can watch for predators. Many key biotic factors involve interactions between individuals. Individuals are often in competition with members of ...
Intro to ecology
... Foraging – looking for food Habituation – a simple type of learning where an animal loses sensitivity to unimportant stimuli; this can increase fitness by allowing an animals nervous systems to focus on the important stuff Imprinting – also called attachment; learning that occurs during a specific t ...
... Foraging – looking for food Habituation – a simple type of learning where an animal loses sensitivity to unimportant stimuli; this can increase fitness by allowing an animals nervous systems to focus on the important stuff Imprinting – also called attachment; learning that occurs during a specific t ...
B12-A Interdependency
... or obtain, the resources in their environment. This cooperation allows them to survive in harsh environments that have very few nutrients. Relationships between organisms within an ecosystem help to maintain balance in the community. These relationships can take many forms. What are some of the diff ...
... or obtain, the resources in their environment. This cooperation allows them to survive in harsh environments that have very few nutrients. Relationships between organisms within an ecosystem help to maintain balance in the community. These relationships can take many forms. What are some of the diff ...
Density-independent factors
... Therefore, bamboo has become a limiting factor- and panda bear populations have declined to near extinction ...
... Therefore, bamboo has become a limiting factor- and panda bear populations have declined to near extinction ...
Human Population and the Environment
... • Day 50: $11.259 trillion dollars total for the summer ...
... • Day 50: $11.259 trillion dollars total for the summer ...
Ecology Unit Organization
... biotic and abiotic factors. Examples: o Competition for resources and other factors limits growth and can be described by the logistic model. o Competition for resources, territoriality, health, predation, accumulation of wastes and other factors contribute to density- dependent population regula ...
... biotic and abiotic factors. Examples: o Competition for resources and other factors limits growth and can be described by the logistic model. o Competition for resources, territoriality, health, predation, accumulation of wastes and other factors contribute to density- dependent population regula ...
Veronica Ritchie
... Greater Bilby, Macrotis lagotis A matter of national environmental significance Listed as Vulnerable under EPBC Act in 2000 Controlling Provision: Threatened Species and Ecological Communities Significant Impacts: if a person is proposing to take an action that will have, or is likely to have ...
... Greater Bilby, Macrotis lagotis A matter of national environmental significance Listed as Vulnerable under EPBC Act in 2000 Controlling Provision: Threatened Species and Ecological Communities Significant Impacts: if a person is proposing to take an action that will have, or is likely to have ...
Predation in Ecosystems
... To help your child learn more about the types of symbiosis, explore the three different symbiotic relationships through a game of hide and seek with a twist. When playing the game, make sure you set boundaries so no one will wander too far from the house. Also, take a quick look around at the ground ...
... To help your child learn more about the types of symbiosis, explore the three different symbiotic relationships through a game of hide and seek with a twist. When playing the game, make sure you set boundaries so no one will wander too far from the house. Also, take a quick look around at the ground ...
B20 Ch3 powerpoint
... • The ecological niche of a population is the role that its members play in an ecosystem. • The variety of niches and habitats within an ecosystem allow it to support a diversity of organisms. ...
... • The ecological niche of a population is the role that its members play in an ecosystem. • The variety of niches and habitats within an ecosystem allow it to support a diversity of organisms. ...
discov5_lecppt_Ch23
... habitat when a few species that are able to grow and reproduce under the challenging conditions begin to colonize the area • The first species to colonize the area may alter the habitat in ways that cause later-arriving species to thrive or fail • Secondary succession is the process by which communi ...
... habitat when a few species that are able to grow and reproduce under the challenging conditions begin to colonize the area • The first species to colonize the area may alter the habitat in ways that cause later-arriving species to thrive or fail • Secondary succession is the process by which communi ...
Unit 1 Section 2.5 Ecological Niche
... warbler uses the resources and shelter of the upper portion of the tree (Part B1 – shaded portion of the tree). By feeding and nesting in B1, the Cape May warbler avoids direct competition with the other warbler species. Species D, Blackburnian warbler, lives in a similar space, but its behaviour is ...
... warbler uses the resources and shelter of the upper portion of the tree (Part B1 – shaded portion of the tree). By feeding and nesting in B1, the Cape May warbler avoids direct competition with the other warbler species. Species D, Blackburnian warbler, lives in a similar space, but its behaviour is ...
Introduction to the Population and Community Ontology (PCO)
... population in the evolutionary sense (but is in statistical sense) – sub-populations and meta-populations are populations ...
... population in the evolutionary sense (but is in statistical sense) – sub-populations and meta-populations are populations ...
REACH Populations
... An increase in ______ tends to correspond with a decrease in ______. A. Infant mortality rate; natality rate B. Average age at marriage; natality rate C. Cost of raising children; infant ...
... An increase in ______ tends to correspond with a decrease in ______. A. Infant mortality rate; natality rate B. Average age at marriage; natality rate C. Cost of raising children; infant ...
Demography and Populations Survivorship
... What to do? Note: the age at first breeding has a disproportionate effect on the potential growth rate of a population (r). For example, doubling Ro (via higher fledging success) increases r by 31%, But….. Reducing T by 50% increases r by 100%. Therefore individuals that can breed earlier should (al ...
... What to do? Note: the age at first breeding has a disproportionate effect on the potential growth rate of a population (r). For example, doubling Ro (via higher fledging success) increases r by 31%, But….. Reducing T by 50% increases r by 100%. Therefore individuals that can breed earlier should (al ...
biosphere - Coastalzone
... nonusable form, usually as waste heat. As a result the amount of energy available to do work in the universe decreases over time. Energy is not destroyed in this conversion but simply lost to the ability to do work, it is in a less usable form or more disorganized. Entropy is the measure of disorder ...
... nonusable form, usually as waste heat. As a result the amount of energy available to do work in the universe decreases over time. Energy is not destroyed in this conversion but simply lost to the ability to do work, it is in a less usable form or more disorganized. Entropy is the measure of disorder ...