"REPRODUCTIVE ISOLATION" needs to occur for speciation to happen.....
Answer:
At the bottom you have the producers aka auto trophic livings (which use inorganic compounds to grow, produce energy, matter and so on..). These organisms would be plants, Cyrano bacteria, over all any organisms that do photosynthesis.
Answer:
Climatology
Explanation: Climatology is the study of climate and how it changes over time. This helps people have a better understanding of the atmospheric conditions which can cause weather patterns and temperature changes over time.
