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Adaptive Radiation from Resource Competition in Digital Organisms
Adaptive Radiation from Resource Competition in Digital Organisms

... populations with a simple organism that receives some basal energy and can reproduce but which cannot perform any logic functions. Nine different resources corresponding to nine different logic functions (25) are provided, all at the same inflow rate in a given experiment. There are no predators or ...
Adaptive radiation from resource competition in digital organisms
Adaptive radiation from resource competition in digital organisms

... populations with a simple organism that receives some basal energy and can reproduce but which cannot perform any logic functions. Nine different resources corresponding to nine different logic functions (25) are provided, all at the same inflow rate in a given experiment. There are no predators or ...
Chapter 11 - Interactions Between Populations
Chapter 11 - Interactions Between Populations

... abilities to the fish’s own ends in the dark depths of the oceans. Certain types of algae are endozoic, actually living inside the cells of animal hosts, particularly coelenterates such as corals and Hydra. In these situations, algal photosynthate is shared with the host. Some invertebrate “hosts” a ...
11/8 Exam BioJeopardy Review
11/8 Exam BioJeopardy Review

... List and describe two of the three three types of geographic distribution 1. Random- no order 2. Clumped- grouped 3. Uniform- orderly; a pattern; evenly dispersed ...
Ecology SAQs
Ecology SAQs

Chapter 5 Review PPT
Chapter 5 Review PPT

... During some kinds of population growth, the size of each generation of offspring is larger than the generation before it. So, as the population gets larger, it grows more quickly. This situation is called exponential growth. ...
point of view that is personal rather than scientific
point of view that is personal rather than scientific

... During some kinds of population growth, the size of each generation of offspring is larger than the generation before it. So, as the population gets larger, it grows more quickly. This situation is called exponential growth. ...
Chapter 8 Population Ecology
Chapter 8 Population Ecology

... 2. This exponential growth is converted to logistic growth when the populations gets larger and face environmental resistance. In logistic growth, the growth rate levels off as population size reaches or nears carrying capacity. 3. The sigmoid (s-shaped) population growth curve shows that the popula ...
Community Ecology
Community Ecology

Example 1: Competing Species
Example 1: Competing Species

... We use two assumptions in building what is the classic competing species model: • In the absence of the other, the rate of change of the population uses a logistic model (the model with the environmental threshold). • The rate of change of each population decreases at a rate proportional to the numb ...
Chapter 5 - Angelfire
Chapter 5 - Angelfire

... • Both species benefit • Nutrition and protection • Gut inhabitant mutualism ...
interspecific interactions
interspecific interactions

...  Ecologists call relationships between species in a community interspecific interactions  Interspecific interactions can affect the survival and reproduction of each species. Effects can be summarized as positive (), negative (−), or no effect (0) ...
Landscape traits can contribute to range limit equilibrium: habitat
Landscape traits can contribute to range limit equilibrium: habitat

... high biogeographical interest, or they may be genetically distinct or adapted to particular environmental conditions (Alda et al. 2013). Moreover, they can allow for testing intriguing ecological hypotheses: do range limits and local rarity depend on habitat limitation, or are they ‘simply’ determin ...
APES Study Guide
APES Study Guide

... 13. What does the planet’s NPP limit? 14. What effect have humans had on the total potential NPP for the planet? 15. What is gross primary productivity (GPP)? 16. Explain why there are not many tigers in the world and why they are vulnerable to premature extinction because of human activities. 17. E ...
Ecology Review
Ecology Review

... “big bad fish”. The Ramora fish does not bother the shark. ...
Basic characteristics of Populations - Powerpoint for Sept. 25.
Basic characteristics of Populations - Powerpoint for Sept. 25.

... • Population - a group of organisms of the same species which have the potential to interbreed – or a population is a group of organisms of the same species occupying a particular place at a particular time • Populations have a number of properties which are not possessed by individual organisms thi ...
Ecology Part 2
Ecology Part 2

... The change in an ecosystem that happens when one community replaces another as a result of changing biotic and abiotic factors ...
Slide 1
Slide 1

Document
Document

... Understanding distributions relies on knowing what factors prevent species from occupying a particular location or region ...
Chapter 4
Chapter 4

... i. Any resource at a suboptimal level relative to an organism’s need for it or at a level in excess of an organism’s tolerance for it is a limiting resource ii. Limiting resources restrict the ecological niche of an organism, and often affect only one part of an organism’s life cycle C. Competitive ...
Review for Environmental Systems Fall Final Exam 2015
Review for Environmental Systems Fall Final Exam 2015

... wandered from place to place looking for food. They were not in on spot long enough to cause harm. How much time have we spent as a hunter gatherer type of society verses an agricultural society? We spent much more time as hunter gatherers. If the entire time on Earth were 50 years, 49 years were as ...
No Slide Title
No Slide Title

Population Ecology notes
Population Ecology notes

...  ex. If a population is growing at a rate of 2% per year, that means that 2 new individuals are added to the population for every 100 already present per ...
lect19cut
lect19cut

... Disturbance and Diversity • Disturbance: departure from “average?” • Sousa: – Discrete, punctuated, killing, displacement, or damaging of individuals that directly or indirectly creates an opportunity for new individuals to establish. ...
Percentage of Population
Percentage of Population

... 2. Pollutant - harmful material that can enter the biosphere through the land, air, or water 3. Air Pollution caused by burning of fossil fuels that release pollutants that cause smog a. example: driving cars, flying planes, heating homes, ...
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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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