EcoRI: 1. ”E” = Genus (Escherichia). 2. ”co” = Species (coli). 3. ”R” = Strain (RY13). 4. ”I” = First identified enzyme from this strain.
Two important characteristics for estimating any population of animals and plants are \(\underline{\hspace{2cm}}\) and \(\underline{\hspace{2cm}}\) of individuals.
Demography is the study of factors that affect \(\underline{\hspace{2cm}}\) and \(\underline{\hspace{2cm}}\) patterns.

