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Niche, refers to the role that a species plays within its ecosystem. In
Niche, refers to the role that a species plays within its ecosystem. In

... Competition between organisms exists in every ecosystem. Organisms are forced to compete against their own species and also different species in order to survive. The stronger and more fit organisms have an advantage over those who are weaker, and they have a better chance of surviving. Competition ...
Name: Ecology Notes Part 2 Inter-relationships/Biomes 10. Habitat
Name: Ecology Notes Part 2 Inter-relationships/Biomes 10. Habitat

... Ecology Notes Part 2 Inter-relationships/Biomes 10. Habitat: area where organism lives, includes biotic & ______________ factors. 11. Niche: physical & _________________ conditions in which organism lives and the way it uses those conditions. Includes: place in ___________ ___________, physical cond ...
Community Ecology 1 2
Community Ecology 1 2

... Hummingbirds in tropics defend nectar producing trees from other nectar feeding birds and insects ...
Competitive Exclusion
Competitive Exclusion

... A change of number of Organisms in an ecosystem • Predation lessons the effects of competition. • Predators keep the prey numbers in check. • This is important because some prey can out compete other organisms for available resources. • This would result in less species diversity for an ecosystem ...
Selective Pressures
Selective Pressures

... muscles that the time has come to possibly confront or run away from an immediate threat. • Normally, this tensing is followed by an immediate relaxing of the affected muscles, allowing you to turn and run away from a perceived threat. ...
Chapter 18
Chapter 18

...  Describe the role of competition in shaping the nature of communities  Distinguish between fundamental and realized niches  Describe how competition affects an ecosystem  Summarize the importance of biodiversity SCS: B-6.1, 6.2 ...
Ecology
Ecology

... grows exponentially at first them slows or stops due to limiting resources. Results in a “S – Shaped” curve. ...
Chapter 8 Test Study Guide
Chapter 8 Test Study Guide

Population Biology
Population Biology

Schaus Swallowtail Butterfly Glossary
Schaus Swallowtail Butterfly Glossary

... Hardwood Hammocks: an "island" of primarily hardwood trees and associated understory plants growing on an elevated, well-drained site, surrounded by vegetation characteristic of lower, wetter surroundings. The term "hammock" is also used to describe any of the temperate hardwood forests in Florida, ...
Student - Amazon S3
Student - Amazon S3

... f) Intraspecific competition occurs between individuals of the ________________________ (for example, two male wolves that fight each other to mate with a female). Interspecific competition occurs between individuals of ________________________ (for example, in the winter, different varieties of bir ...
Review Sheet Answers
Review Sheet Answers

... 3. A group of organisms of the same species that live in a specific area and can interbreed 4. Environmental factor that is associated with or results from activities of living things 5. The part of the Earth in which all life exists 6. A community of organisms along with their weather, soil, water ...
5-1 How Do Species Interact?
5-1 How Do Species Interact?

...  Parasite-host interaction may lead to coevolution ...
Symbiotic Relationships
Symbiotic Relationships

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What determines where particular species live and how many of
What determines where particular species live and how many of

Populations - WordPress.com
Populations - WordPress.com

... 2. Logistic Growth: Population grows rapidly until some factor limits growth a. ...
AP Environmental Science notes
AP Environmental Science notes

... hosts (example – deer ticks) Cryptosporidium and Giardia are parasites found in water -even in the wilderness!! slide show of parasites that take over their host bodies ...
Ecology - Shaw Communications
Ecology - Shaw Communications

Gause`s competitive exclusion principle and “the
Gause`s competitive exclusion principle and “the

... Gause’s competitive exclusion principle and “the paradox of the plankton” 713/813 Lecture 10 ...
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... 6. What does K represent on the population growth curve and explain why this occurs in some populations (98)? K represents the carrying capacity, which is the maximum number of individuals in a species that the environment can support for an extended time. It is limited by the resources available to ...
Millennium Drought and Species Recruitment - TopInfo
Millennium Drought and Species Recruitment - TopInfo

... eventually everything succumbs to the grip of the longer droughts. Agriculture in Australia is at best, opportunistic in most areas of the country. The often quoted example of early settlers moving into the Flinders Rangers of South Australia during the ‘good years’, building houses believing the go ...
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... poorly in the presence of the mussels competitors.” ...
Lecture Nine: Community Interactions
Lecture Nine: Community Interactions

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Influences on Ecosystems
Influences on Ecosystems

< 1 ... 183 184 185 186 187 188 189 190 191 ... 228 >

Storage effect

The storage effect is a coexistence mechanism proposed in the ecological theory of species coexistence, which tries to explain how such a wide variety of similar species are able to coexist within the same ecological community or guild. The storage effect was originally proposed in the 1980s to explain coexistence in diverse communities of coral reef fish, however it has since been generalized to cover a variety of ecological communities. The theory proposes one way for multiple species to coexist: in a changing environment, no species can be the best under all conditions. Instead, each species must have a unique response to varying environmental conditions, and a way of buffering against the effects of bad years. The storage effect gets its name because each population ""stores"" the gains in good years or microhabitats (patches) to help it survive population losses in bad years or patches. One strength of this theory is that, unlike most coexistence mechanisms, the storage effect can be measured and quantified, with units of per-capita growth rate (offspring per adult per generation).The storage effect can be caused by both temporal and spatial variation. The temporal storage effect (often referred to as simply ""the storage effect"") occurs when species benefit from changes in year-to-year environmental patterns, while the spatial storage effect occurs when species benefit from variation in microhabitats across a landscape.
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