Web Results

Biological interaction


Biological interactions are the effects that the organisms in a community have on one another. ... Amensalism is an interaction where an organism inflicts harm to another organism without ... the re...

What is the name for a disturbance that does not hurt the ecosystem


An extreme disturbance happens in an ecosystem How does an ecosystem .... What is the name for a disturbance that harms some organism but does not hurt ...

Disturbance - National Wildlife Federation


Natural disturbances -- like fire, wind, and floods -- are important to the ... Insect Swarms; Volcanic Activity; Drought; Long term Freezing; Earthquake ... It could take days or decades, but eventually, the ecosystem will recover. ... Many ecosystems that we depend on are not given enough time to adapt to the new conditions.

Grasslands Issues - Grasslands Conservation Council


Grassland ecosystems are more endangered than coastal old growth forests. ... Some types of disturbance can be predicted, such as annual flooding of riparian ... Some of their activities may have caused heavy, localised disturbances, but they .... The reasons why trees are encroaching on the grasslands in this way are not ...

Chapter 25: Community Ecology


two species can occupy the same niche indefinitely without ... Some organisms use others, neither hurting or ... Disturbances can disrupt ... Each organism in an ecosystem confronts the challenge of .... coexist on a long-term basis, either resources must not be ..... these plants without harm, often as their exclusive food.

Ecology: Organisms and Their Environments Terms - Shmoop


Some examples of abiotic factors in an environment include precipitation, ... However, colonizers do not often compete well with other species once a ... where one organism benefits from the relationship, and the other receives no harm or benefit. ... Ecosystem studies in ecology explore the interactions between organisms, ...

Status of and Threat to Coral Reefs | International Coral Reef Initiative


The majority of reef loss or damage is not deliberate. ... In addition to this, long- term changes in the oceans and atmosphere (rising sea ... fishing of not only deep-water commercial fish, but key reef species as well. Overfishing of certain species near coral reefs can easily affect the reef's ecological balance and biodiversity...

Bioluminescence | Smithsonian Ocean Portal


But did you know that seascapes can also glow and glitter thanks to the light ... Humans primarily see bioluminescence triggered by a physical disturbance, such as ... Some organisms even bundle the luciferin with oxygen in what is called a ... Moreover, because it's not present, many deep-water animals have lost the ...

FAQs - Invasive Species - U.S. Fish and Wildlife Service


Nov 20, 2012 ... This causes harm to the native species in that ecosystem because they ... A less diverse ecosystem is more susceptible to further disturbances such .... Invasive species, however, are exotic organisms that have gone ... There are some benefits to all species - but invasive species do more harm than good.

Conservation Ecology: The Risks and Benefits of Genetically ...


Mar 27, 2000 ... The release of genetically modified organisms into the environment is ... of potential competitors by pesticides and mechanical disturbance. ... Prevent the movement of introduced species to other ecosystems (Walker and Lonsdale 2000). ... Does the GM crop prevent some specific harm to humans or ...

More Info

What is the name for a disturbance that removes most of the ...


What is the name for a disturbance that removes most of the organisms and .... for a disturbance that harms some organism but does not hurt the ecosystem?

Africanized Honey Bee - Columbia University


Mar 1, 2002 ... Common Name: Africanized Honey Bee (AHB), Africanized Bees, Killer Bees, .... Additionally, predation causes disturbances that could affect ... Therefore, Africanized bees can be regarded as superior pollinators. In Sinaloa Mexico, Africanized honeybees have invaded the area but have not caused any ...

Invasive Species - US Forest Service


Apr 29, 2015 ... A species is invasive when it is both nonnative to the ecosystem in which it is found and capable of causing environmental, economic, or human harm. ... In addition to their negative effects, some invasive species may have positive traits ... in an ecosystem does not mean that a species will become invasive.