Select all that apply.

Microevolution .

refers to evolution at or below the species level
includes evolution at the population and community level
analyzes the history of life over time
refers to evolution above the species level
is based on direct observation

Peat deposits are found in waterlogged places where dead plant material piles up. when peat is buried, it undergoes compaction. it is subjected to heat and pressure for a long time, and a lot of water is squeezed out during this process. nearly ten vertical feet of original peat material becomes one vertical foot of coal. which of these remains unchanged in the system during the conversion of peat to coal? a) area b) density c) mass d) volume