10. scientists infer evolutionary relationships between organisms by comparing their
a. number of offspring
b. homologous structures
c. environments
d. trace fossils

10.  Scientists infer evolutionary relationships between organisms by comparing their

d. trace fossils

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;