I believe the answer is 1) Obtain Energy
You can classify them according to the way they get their food because if they eat plants, then they are herbivores. If animals eat herbivores, then they are consumers. Etc.
        
                    
             
        
        
        
Answer:
1:1 (brown:blonde)
Explanation:
Brown hair color (B) is dominant over blonde hair color (b).
Heterozygous parent will have the genotype Bb
Homozygous recessive parent will have the genotype bb.
Crossing hetezygous parent with homozygous recessive parent:
Bb   x   bb
Progeny: Bb, Bb, bb, and bb.
2 Bb brown hair
2 bb blonde hair
Phenotypic ratio = 1:1 (brown:blonde)
The correct answer is  1:1 (brown:blonde).