Answer:
B.) Differentiation
Step-by-step explanation:
Definitions:
A.) Cambrian Explosion: The rapid diversification of multicellular animal life that took place around the beginning of the Cambrian Period.
B.)Differentiation: Any process in which a mixture of materials separates out partially or completely into its constituent parts, as in the cooling and solidification of a magma into two or more different rock types or in the gradual separation of an originally homogeneous earth into crust, mantle, and core.
C.) Abiogenesis: is a scientific theory which states that life arose on Earth via spontaneous natural means due to conditions present at the time. In other words, life came from non-living matter.
D.) Photosynthesis takes place inside chloroplasts found in plants and algae. The source of this energy is sunlight, which is trapped by a chemical called chlorophyll inside chloroplasts in plant cells.