I think that all of the above are correct.
if you have to pick 1. i would suggest that you pick A.
dose this help?
Answer:
I think a because fossils do stay for a very long time ribbit
Because in the dark only the rods are the working part in your eyes and they only detect dark colors or purple to be specific
Answer:
Ecological and ethological approaches to the study of behaviour. The natural history approach of Darwin and his predecessors gradually evolved into the twin sciences of animal ecology, the study of the interactions between an animal and its environment, and ethology, the biological study of animal behaviour.