All but one of the following is a component of nucleic acids. nucleic acids do not contain a) phosphates. b) amino acids. c) ribose sugars. eliminate d) nitrogenous bases

The best answer is B.

Nucleic acids do not contain amino acids.  Nucleic acids are composed of nucleotides. Nucleotides are the building blocks of both DNA and RNA.

Nucleotides have a distinctive structure composed of three essential components which are covalently linked together.

1. Nitrogenous base which is either a pyrimidine (one ring) or a purine (two rings)

2. A five - carbon sugar  which is either ribose or deoxyribose.

3.  A phosphate group. 

DNA has deoxyribose sugar while RNA has ribose sugar.

the two answers are a, the population of birds with large beaks will increase on the island, and c, the trait for large beaks will be passed on to future generations through natural selection. the reason for that is because if the birds that have beaks developed for eating small seeds lose all of their food, they will go hungry and eventually starve because they physically cannot eat the large seeds, therefore making the population of large beaked birds higher. also, if the trait of large beaks are dominant on the island over small beaks, then over time the large beaked birds will reproduce more and more, while the smaller beaked birds will reproduce less and less because they can't survive with the food provided. that leads to the trait of small beaks disappearing and the trait of large beaks taking over the island.