Changes to the classification system have meant that the classification of some species of organisms has changed too. The system had to be changed to incorporate this new group or organisms.
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Answer:
C, recycle, but if I could choose two it would be reuse.
Reasoning:
Reusing things and recycling things are both useful for the community.
<span>Population density (in agriculture: standing stock and standing crop) is a measurement of population per unit area or unit volume; it is a quantity of type number density. It is frequently applied to living organisms, and most of the time to humans.</span>
Answer: reproduction is reproducing
Explanation:lol
It would be B. micropipette because you can measure more precisely with this form of lab apparatus.