Vestigial traits are adaptations to environmental pressures which are no longer present.
homologous structures are similar structures found in different species that were present in a common ancestor.
analogous traits are similar traits found in different species that were developed independently (this process is known as convergent evolution)
The answer would be b. decreases
Answer:
(:
Explanation:
Different cells in a multicellular organism may express very different sets of genes, even though they contain the same DNA.