mtetwabright1105
19.05.2021 •
Biology
The year 2010 was declared the International Year of Biodiversity. However, significant loss of biodiversity is still occurring. Researchers around the world are working on a variety of ways to protect natural resources. According to an article in Science News, March 13, 2010, "reversing the downward spiral of biodiversity will take more than protecting wild places, but that's where scientists are starting." Explain the importance of biodiversity to an ecosystem. In your answer, be sure to: state one effect of a loss of biodiversity in an ecosystem • identify a source of variation within a species that leads to biodiversity icantify one specific ecosystem that has shown a decrease in biodiversity and state one cause of the decrease in biodiversity in the ecosystem you identified • identify one human activity, other than setting up protected wildlife areas, that has helped to preserve biodiversity .
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Ответ:
DIFFUSION
Explanation:
The oxygen in inhaled air passes across the thin lining of the air sacs and into the blood vessels. This is known as diffusion. The oxygen in the blood is then carried around the body in the bloodstream, reaching every cell. When oxygen passes into the bloodstream, carbon dioxide leaves it.