I believe the answer is C. 
because when the dinosaurs thrived they ate most of the mammals which were small animals but when the dinosaurs went extinct the mammals grew larger in size and started to thrive.
        
             
        
        
        
Well a theory is when a person comes up with something that they believe is to be true, and they work on projects and other things to show their thinking. theories won't always bee correct which helps us humans grow and come up with new ones
        
             
        
        
        
Answer:
A pea plant that has round seeds has the genotype Rr. It is crossed with a pea plant that ... Gregor Mendel used pea plants that were heterozygous for each of two traits- seed colour and seep shape- to generate a dihybrid cross. The phenotypic ratio of the resulting offspring was nine with round and yellow seeds,
 
        
             
        
        
        
Bioaccumulation is the process by which chemicals are stored in the tissues of living organisms. It is the accumulation of chemicals in the tissue of organisms through any route including, respiration, ingestion or direct contact with contaminated water, sediment and pore water in the sediment. These chemical substances include, pesticides or other chemicals.
        
                    
             
        
        
        
Answer:
Glucose
Explanation:
After reading the overview of cellular respiration, the primary or initial fuel of respiration should be clear - it's glucose, which is the molecule of sugar that plants create for animals (as well as the plant itself) to utilize as an energy source.
Hope this helps!! Brainliest?? Anyways have a great day!!