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Community Interactions - Welcome to Cherokee High School
Community Interactions - Welcome to Cherokee High School

02-Ecological Niche student handout
02-Ecological Niche student handout

... • The competitive exclusion principle states that: only 1 species can occupy a whole niche in an ecosystem at a time. One species will always be superior to the other in utilizing the niche. The 2nd species will disappear from the ecosystem. ...
Species and Population Interactions PPT
Species and Population Interactions PPT

Vocabulary Slap Game
Vocabulary Slap Game

... same habitat and interact with each other ...
AP Biology Ecology Unit - Gull Lake Community Schools
AP Biology Ecology Unit - Gull Lake Community Schools

... species that simultaneously occupy the same general area. Human population explosion Demography is the study of factors that affect the growth and decline of populations Biodemography relates to factors that influence the distribution of a species over its range. Density  individuals per unit volum ...
Marine Ecology
Marine Ecology

... • Population size sustained by available resources …as resources decrease, competition increases ...
Has reduced Biodiversity!
Has reduced Biodiversity!

... Zebra Mussels in the Great Lakes Has reduced Biodiversity! ...
Flyswatter Review Community - all the populations of organisms
Flyswatter Review Community - all the populations of organisms

... Symbiosis - For at least part of the life cycle, individuals of two or more species interact with neutral, positive. Or negative effects on each other Niche - a way of life, or a role in an ecosystem. an organism’s role in the environment (its profession, not its address) Fundamental niche - determi ...
Species richness and diversity
Species richness and diversity

... the environment's point of view, the blues are 0.25 of a red (species A as B; we'll term this as "a"), Red individuals are worth 4 blues (species B as A; we'll call this term "b"), Although in this example the two species are symmetric, they don't necessarily have to be. ...
Describe the situation with gray wolves prior to their reintroduction
Describe the situation with gray wolves prior to their reintroduction

... Describe the situation with gray wolves prior to their reintroduction into Yellowstone National Park in 1995. Draw a web or diagram showing the effects of introducing the wolves into Yellowstone. Use all species mentioned! Species Evolution Adaptation Natural selection Describe each component/observ ...
Niche and Biodiversity
Niche and Biodiversity

Bioassessment of Water Quality
Bioassessment of Water Quality

... – Maintaining water supplies ...
Student Friendly Vocabulary
Student Friendly Vocabulary

... the behavior and physical changes of an organism that allow it to survive ...
附件1: 试卷编制样式(统一使用B5纸出卷)
附件1: 试卷编制样式(统一使用B5纸出卷)

... A. the proportion of energy ingested that is not lost to respiration. B. the proportion of energy ingested that is assimilated. C. the proportion of assimilated energy that is not lost as waste material. D. the proportion of assimilated energy that goes to production. 13. A _______________ is a grou ...
Living Things and the Environment
Living Things and the Environment

... decrease is called a _limiting factor__(food, water, natural disasters)_______. ...
Introduction to Environmental Science
Introduction to Environmental Science

... PBS Evolution, “Why Sex?”, 2006. Chimpanzees and bonobos. ...
Keystone Species
Keystone Species

... Herbivory: an interaction in which one animal (the herbivore) feeds on producers (such as plants) • Herbivores can affect both the size and distribution of plant populations in a community and determine the places that certain plants can survive and grow. • Give an example in our ecosystem ...
Part 1 - Phillips Scientific Methods
Part 1 - Phillips Scientific Methods

... • Population cyclesfood shortage, predation and sunspots ...
EOCT STUDY GUIDE: ECOLOGY
EOCT STUDY GUIDE: ECOLOGY

... species of plant. However, removal of these insects causes plant growth to decline. Given this information, this relationship is best described as a case ofa. Parasitism ...
Document
Document

Levels of Biological Organization
Levels of Biological Organization

20130402094281
20130402094281

... • Index based on species richness and relative abundance ...
Factors affecting the variety of species in an ecosystem
Factors affecting the variety of species in an ecosystem

... To succeed in a community, organisms must be suited to their environment - this often involves adaptation - can be structural or behavioural ...
13 - Coastalzone
13 - Coastalzone

... The biotic potential is the maximum possible growth rate influenced by age at first reproduction, number of offspring possible per litter or clutch. Larger organisms typically have smaller biotic potential (whales versus mice). Exponential growth results from growing at the biotic potential…j-shaped ...
Document
Document

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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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