Q4.12. A single litterbag containing poplar leaves was placed on the forest floor at Coweeta. This bag was collected and the invertebrate decomposers were extracted from it. The sample contained mainly arthropods, including springtails, oribatid mites, predatory mites, and small spiders. At which stage of decomposition was the leaf litter when the bag was collected? ● Early stage ●Mid stage Fresh litter Late stage

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A:

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A: Dissolved Oxygen is the amount of gaseous oxygen (O2) dissolved in the water.

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Q: Q3

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Terrestrial Ecosystem

An ecosystem is a collection of interconnected communities. It includes both living and non-living elements of specific strata. The terrestrial ecosystem is solely related to the ecosystem present on the land and covers 25 to 30% of the total earth’s surface area.