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Commensalism - Wikipedia


Commensalism, in ecology, is a class of relationships between two organisms where one ... The word "commensalism" is derived from the word "commensal", meaning ... like the carca...

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?

The Growing Problem of Kudzu - Issues


High amounts of nitrogen in soil can be harmful to certain types of plants, which ... This does not include the crop damage caused by diseases carried by kudzu. ... Also not estimated but still significant is the value of private property that is lost to kudzu, since ... Respect to article author , some wonderful selective information .

Grasslands Issues - Grasslands Conservation Council


It is difficult to find any large areas of grasslands that have not been disturbed at all. Grassland ecosystems are more endangered than coastal old growth forests. ... Some types of disturbance can be predicted, such as annual flooding of ... But, many different types of human disturbances have both reduced the area of ...

Science 10 Biology Definitions Flashcards | Quizlet


A harmful interaction between two or more organisms that can occur when ... The term used to describe predator-prey interactions in which one organism ... All members of a particular species within an ecosystem .... The process in which chemicals not only accumulate but become more concentrated at each trophic level.

ecological disturbance | ecology | Britannica.com


Aug 30, 2012 ... Some areas were effectively sterilized, but in other areas organisms ... in marine ecosystems are not well understood, the recovery of these .... In marine systems, spores of green algae and even some floating but fertile plants can ..... analyzing situations in which parties, called players, make decisions that .....

5 Factors That Threaten Mother Earth - Sadhguru


Apr 17, 2013 ... Mother Earth is like a giant living organism made of many closely interrelated components. ... Ecosystems with higher levels of biodiversity are more stable and resilient. ... But planet Earth is currently going through a drastic change! ... Sadly, it does not look like this will reduce in the near future. Economic ...

Light Pollution Harms the Environment - Department of Physics


Therefore, we do not realize that protecting the night sky is a valuable step to conserving ... Most people think that, as we sleep at night, the rest of the species do the ... light that not only interferes with our night vision and our own health, but also ... creation of a never-occurring night is having some real effects on the ani...

Invasive Species - US Forest Service


Apr 29, 2015 ... Invasive species often compete so successfully in new ecosystems that they ... In addition to their negative effects, some invasive species may have positive traits. ... Simply being nonnative in an ecosystem does not mean that a species ... It also is possible for a species to be invasive in one ecosystem, but ...

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


Some coral reefs are covered with sand, rock and concrete to make cheap land ... in over 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 ... These practices generally do not select or target particular fish species and often  ...