![Lecture Nine: Community Interactions](http://s1.studyres.com/store/data/004655729_1-cc24664317168b7b54b846320f81cb96-300x300.png)
Lecture Nine: Community Interactions
... populations often have complex and delicately-balanced interactions with one another that can be disrupted by the introduction of exotic species. EXAMPLES: ...
... populations often have complex and delicately-balanced interactions with one another that can be disrupted by the introduction of exotic species. EXAMPLES: ...
Flyswatter Review Community - all the populations of organisms
... Trophic Level - The different levels of organisms on a food chain, based on what they consume. Rule of 10 - Each time an eating event occurs, only 10% of that energy is available for use by the consuming organism. Bioaccumulation - The increase of a toxin in an organism over time Biomagnification - ...
... Trophic Level - The different levels of organisms on a food chain, based on what they consume. Rule of 10 - Each time an eating event occurs, only 10% of that energy is available for use by the consuming organism. Bioaccumulation - The increase of a toxin in an organism over time Biomagnification - ...
24.1 The Biological Species Consept emphasizes Reproductive
... • Biological species are defined in terms of reproductive compatibility. • When members of a species are isolated reproductively, the members of the now two separate populations cannot interbreed and produce fertile offspring. ...
... • Biological species are defined in terms of reproductive compatibility. • When members of a species are isolated reproductively, the members of the now two separate populations cannot interbreed and produce fertile offspring. ...
Measuring Biodiversity - Milton
... we will use the concept of species richness, which is the number of species in a given area ...
... we will use the concept of species richness, which is the number of species in a given area ...
Ch 2-3 Human Actions
... • Wild plants may carry genes for disease resistance and pest resistance • If we lose biodiversity, we lose those genes • Healthy Ecosystems: • Keystone species: the one species that can collapse an entire ecosystem if it is removed • When ecosystems are gone, soil, water and air quality will be poo ...
... • Wild plants may carry genes for disease resistance and pest resistance • If we lose biodiversity, we lose those genes • Healthy Ecosystems: • Keystone species: the one species that can collapse an entire ecosystem if it is removed • When ecosystems are gone, soil, water and air quality will be poo ...
Mass Extinction Of Marine Life Cretaceous Period
... Eventually all these marine organisms became extinct. However some other organisms managed to survive. For example: ...
... Eventually all these marine organisms became extinct. However some other organisms managed to survive. For example: ...
The Importance of Biodiversity
... to the deepest ocean trenches, life on earth occurs in a marvelous spectrum of sizes, colors, shapes, life cycles, and interrelationships. Think for a moment how remarkable, varied, abundant, and important the other living creatures are with whom we share this planet. How will our lives be impoveris ...
... to the deepest ocean trenches, life on earth occurs in a marvelous spectrum of sizes, colors, shapes, life cycles, and interrelationships. Think for a moment how remarkable, varied, abundant, and important the other living creatures are with whom we share this planet. How will our lives be impoveris ...
ch 7 vocabulary questions community ecology1
... 10. How does resource partitioning allow species to avoid overlaps of their fundamental niches? 11. Describe the predator-prey relationship, and give two examples of this type of species interaction. 12. List six ways used by prey to avoid their predators, and give an example of each type. 13. What ...
... 10. How does resource partitioning allow species to avoid overlaps of their fundamental niches? 11. Describe the predator-prey relationship, and give two examples of this type of species interaction. 12. List six ways used by prey to avoid their predators, and give an example of each type. 13. What ...
Island Biogeography - aiss-dp-ess
... • Intention of predicting the number of species that would exist on a newly created island • Began on islands extends over to other biomes ...
... • Intention of predicting the number of species that would exist on a newly created island • Began on islands extends over to other biomes ...
Invasive Species - University of Georgia
... expanding their range while reducing the populations of other species or degrading the ecosystem. They may be native species expanding their range or population (white-tailed deer). Most commonly they are non-native species that are colonizing a new disjunct range ( English Sparrow, fire ants, cogon ...
... expanding their range while reducing the populations of other species or degrading the ecosystem. They may be native species expanding their range or population (white-tailed deer). Most commonly they are non-native species that are colonizing a new disjunct range ( English Sparrow, fire ants, cogon ...
INVASIVE SPECIES - Department of Zoology, UBC
... Estimate: ~50,000 non-native species costs the U.S. economy >$130 billion per year Pimentel et al. (2000) BioScience ...
... Estimate: ~50,000 non-native species costs the U.S. economy >$130 billion per year Pimentel et al. (2000) BioScience ...
Organism: Interaction
... Be extremely hard to digest. Protective insects, birds, or mammals that attack predators. “Feed friends”: a bit (mutualism). ...
... Be extremely hard to digest. Protective insects, birds, or mammals that attack predators. “Feed friends”: a bit (mutualism). ...
European Commission
... Environment Commissioner Janez Potočnik said: "Invasive alien species are causing growing problems for our natural resources, people's health and the economy. This threat arises from non-native species whose numbers are growing rapidly in an increasingly interconnected world. The EASIN network will ...
... Environment Commissioner Janez Potočnik said: "Invasive alien species are causing growing problems for our natural resources, people's health and the economy. This threat arises from non-native species whose numbers are growing rapidly in an increasingly interconnected world. The EASIN network will ...
Chapter 4-3 predation, herbivores and keystone species
... • Biological interaction where predator feeds on prey.Eg: Lions and gazelles, polar bears and seals, humans and cows, snakes and deer. ...
... • Biological interaction where predator feeds on prey.Eg: Lions and gazelles, polar bears and seals, humans and cows, snakes and deer. ...
Quiz 1 Study List - World of Science
... **Use your science journal and text book to review Sustainability: Sustainable development is a current worldwide attempt by planners, leaders, and scientists to conduct human activities in such a way that the environment is preserved. To pursue sustainability is to create and maintain the condition ...
... **Use your science journal and text book to review Sustainability: Sustainable development is a current worldwide attempt by planners, leaders, and scientists to conduct human activities in such a way that the environment is preserved. To pursue sustainability is to create and maintain the condition ...
ecology! - Midland ISD
... Niche: a particular area within a habitat occupied by an organism and includes the function of that organism within an ecological community. Abiotic and biotic organisms are found in niches! ...
... Niche: a particular area within a habitat occupied by an organism and includes the function of that organism within an ecological community. Abiotic and biotic organisms are found in niches! ...
Environmental Concerns
... • Populations of many migratory birds, such as the whooping crane, are in decline because of human activities. • However, some populations are recovering as a result of legal ...
... • Populations of many migratory birds, such as the whooping crane, are in decline because of human activities. • However, some populations are recovering as a result of legal ...
Population Interactions
... • Some include: thorns, hooks, spines and needles and chemical defence behaviors. • Others include: hiding, fleeing, mimicry ...
... • Some include: thorns, hooks, spines and needles and chemical defence behaviors. • Others include: hiding, fleeing, mimicry ...
EnvSci-Community Ecology pp
... The organism’s role in the environment • What it eats and is eaten by • How it finds shelter • How it raises its young • Reproductive strategy ...
... The organism’s role in the environment • What it eats and is eaten by • How it finds shelter • How it raises its young • Reproductive strategy ...
Environmental Science 2
... Diversity – the number of different species, niches, and/or genetic variation in a biological community • Species – A 300, B 25, C 150 per community ...
... Diversity – the number of different species, niches, and/or genetic variation in a biological community • Species – A 300, B 25, C 150 per community ...
File
... intentionally or unintentionally they have destroyed habitats of species native to those ecosystems. Fire ants were accidentally imported from Brazil about 45 years ago. Now found in San Clemente ...
... intentionally or unintentionally they have destroyed habitats of species native to those ecosystems. Fire ants were accidentally imported from Brazil about 45 years ago. Now found in San Clemente ...
ppt
... Native & Non-Native Species Native (indigenous) – an organism (or organisms) that came to be found in a given place by natural causes Non-native (exotic, introduced, non-indigenous) – an organism (organisms) that came to be found in a given place by anthropogenic causes ...
... Native & Non-Native Species Native (indigenous) – an organism (or organisms) that came to be found in a given place by natural causes Non-native (exotic, introduced, non-indigenous) – an organism (organisms) that came to be found in a given place by anthropogenic causes ...
Chapter 9 Community Processes: Species Interactions and
... Case Study: American Alligator Question 1: The American alligator is seen as a keystone species because “it helps maintain the structure and function of the communities where it is found.” Research another organism that is a keystone species and describe its importance in a community. 7.1 The Ecolog ...
... Case Study: American Alligator Question 1: The American alligator is seen as a keystone species because “it helps maintain the structure and function of the communities where it is found.” Research another organism that is a keystone species and describe its importance in a community. 7.1 The Ecolog ...
ppt
... Native & Non-Native Species Native (indigenous) – an organism (or organisms) that came to be found in a given place by natural causes Non-native (exotic, introduced, non-indigenous) – an organism (organisms) that came to be found in a given place by anthropogenic causes ...
... Native & Non-Native Species Native (indigenous) – an organism (or organisms) that came to be found in a given place by natural causes Non-native (exotic, introduced, non-indigenous) – an organism (organisms) that came to be found in a given place by anthropogenic causes ...
Introduced species
![](https://commons.wikimedia.org/wiki/Special:FilePath/Melilotus_alba_bgiu.jpg?width=300)
An introduced, alien, exotic, non-indigenous, or non-native species, or simply an introduction, is a species living outside its native distributional range, which has arrived there by human activity, either deliberate or accidental. Non-native species can have various effects on the local ecosystem. Introduced species that become established and spread beyond the place of introduction are called invasive species. Some have a negative effect on a local ecosystem. Some introduced species may have no negative effect or only minor impact. Some species have been introduced intentionally to combat pests. They are called biocontrols and may be regarded as beneficial as an alternative to pesticides in agriculture for example. In some instances the potential for being beneficial or detrimental in the long run remains unknown. A list of some introduced species is given in a separate article.The effects of introduced species on natural environments have gained much scrutiny from scientists, governments, farmers and others.