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An example of an ecosystem service is pollination, here by a honey bee on avocado crop.. Ecosystem services are the various benefits that humans derive from ecosystems.The interconnected living and non-living components of the natural environment offer benefits such as pollination of crops, clean air and water, decomposition of wastes, and flood control.
An example of the biodiversity of fungi in a forest in North Saskatchewan (in this photo, there are also leaf lichens and mosses). Biodiversity is the variability of life on Earth. It can be measured on various levels. There is for example genetic variability, species diversity, ecosystem diversity and phylogenetic diversity. [1]
Lack of cooperation may give rise to regional water conflicts. This is especially the case in developing countries. The main reason is disputes regarding the availability, use and management of water. [62] One example is the dispute between Egypt and Ethiopia over the Grand Ethiopian Renaissance Dam which escalated in 2020.
For example, in green plants, the action spectrum resembles the absorption spectrum for chlorophylls and carotenoids with absorption peaks in violet-blue and red light. In red algae , the action spectrum is blue-green light, which allows these algae to use the blue end of the spectrum to grow in the deeper waters that filter out the longer ...
The earlier term for the discipline was "political economy", but since the late 19th century, it has commonly been called "economics". [22] The term is ultimately derived from Ancient Greek οἰκονομία (oikonomia) which is a term for the "way (nomos) to run a household (oikos)", or in other words the know-how of an οἰκονομικός (oikonomikos), or "household or homestead manager".
Mexico, [a] [b] officially the United Mexican States, [c] is a country in North America.It borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundaries with the Pacific Ocean to the west, the Caribbean Sea to the southeast, and the Gulf of Mexico to the east.
The United Nations (UN) is an intergovernmental organization that aims to maintain international peace and security, develop friendly relations among nations and countries, achieve international cooperation, and serve as a centre for coordinating the actions of member states. [2]