Amino acid is to protein as

Natural selection acts on populations through a specific trait. which statement must be true about that trait? question 6 options: the trait is passed on genetically to the next generation. the trait has little impact on survival. the trait is the same for all organisms. the trait is resistant to mutations.

Analogy- 1 is to arete as 5 is to cirque horn glacial valley hanging valley

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above