Which is the best way of comparing two or more organisms A. Homologous structures
B. DNA
C. Vestigial Structures
D. Fossils

List two modern organisms that have pentameral symmetry

Agroup of organisms that changes over time is said to

Label the following as inner or outer planets; a) has 67 moons made mostly of hydrogen and helium b) has rings c)no moons, high volcanic activity d) known as the red planet, has 2 moons e) very thin atmosphere, moons or rings