Do plants breathe? (explain why or why not)

Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?

Are the earth's ocean floor and continents the same age geologically? why or why not?

Dna replication or repair occurs in a cell in all of thw following situations except when