Microevolution
explores the connection between organisms of different species
refers to evolution at or below the species level
questions how organisms become extinct
refers to evolution above the species level

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes