Microevolution<span> happens on a small scale (within a single population), while </span>macroevolution<span> happens on a scale that transcends the boundaries of a single species. Despite their </span>differences<span>, evolution at both of these levels relies on the same, established mechanisms of evolutionary change: mutation.</span>
It is symbiosis, but also called a commensalism relationship because the remora is getting its food and the shark has no benefit.
crude oil is composed of B. Hydrocarbons
Heat water using the sun during the day, and use it during the cold night.
Use a solar panel to charge batteries during the day, and use the power at night.
C consider the impact of their actions hope this helps:)