A photon.
The main point of his light quantum theory is the idea that light's energy is related to its oscillation frequency (known as frequency in the case of radio waves).
Answer: homologous structures are inherited from a common ancestor.
Explanation:
According to comparative morphology, homologous structures are inherited from a common ancestor. They also show similar pattern in in their embryological development.
Homologous structures are the similar structures due to shared ancestry. The organism with homologous structures are all the descendants of a common ancestor.
Answer:
d adaptation
Explanation:
its an adaptation because its a change that helps the organism survive