Question

which set of items is an extension of biological organization after organism?
dna, rna, and protein
family, genus, and species
cells, tissues, and organs
populations, communities, and ecosystems

Explanation:

Biological organization levels after organism are populations (groups of the same species), communities (multiple species populations), and ecosystems (communities interacting with their environment). DNA, RNA, and protein are molecules within organisms. Family, genus, and species are taxonomic ranks. Cells, tissues, and organs are parts of an organism.

Answer:

D. populations, communities, and ecosystems