Explain the presence of dark colored mice at location a period why didn't the phenotype become more common in a population?

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.