Explanation:
Biotic factors such as the presence of autotrophs or self-nourishing organisms such as plants, and the diversity of consumers also affect an entire ecosystem. Abiotic factors affect the ability of organisms to survive and reproduce. Abiotic limiting factors restrict the growth of populations.
 
        
             
        
        
        
<span>An ecosystem consists of a population of organisms and its
physical environment, and a population is made up of many different
communities of organisms. Every one of the creatures of similar species
living  together that live in a particular biological system are known
as a populace The people in the populace contend with one  another for
sustenance, settling space, and mates.</span>
        
             
        
        
        
Clues such as fossils such as bones, footprints, tar, etc,  preserved underground helped inform scientists. You can also count how old a tree is when you cut it open and there are some alive for thousands of years so that is a possible way.
        
             
        
        
        
The answer would be "<span>A. flower color is red; AA. flower color is blue" where the choice is parallel. </span>