Traits that have three or more phenotypes may be the result of alleles

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity