Which descriptions apply to prokaryotic cells? . are usually single-celled contain a nucleus do not contain membrane-bound organelles have dna located in cytoplasm

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

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?

How does human environment effect the biosphere