The whale has a pelvic bone but no legs attached, this is an example of: a) homologous
b) vestigial
c) dichotomous
d) fossilized

Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.

Asegment of dna that codes for rna and a protein is a

Which of these reproductive method is the only on available to mosses and fernsspores