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What techniques are recommended in the chapter to improve the validity and reliability of a measuring device that shows unacceptably high levels of error
Keystone Species
An organism that other species in an ecosystem significantly rely on, and if it were eliminated, the ecosystem would undergo major changes.
Sea Stars
Marine invertebrates known for their star shape and ability to regenerate limbs, part of the echinoderm family.
Dung Beetles
Beetles that feed on feces, playing important ecological roles such as nutrient recycling and soil aeration.
Keystone Species
Species that have a disproportionately large impact on their environment relative to their abundance, crucial for ecosystem structure and function.
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