Which of the following is true of a species that has a chromosome number of 2n = 16?
a) the species is diploid with 32 chromosomes per cell.
b) the species has 16 sets of chromosomes per cell.
c) each cell has eight homologous pairs.
d) during the s phase of the cell cycle there will be 32 separate chromosomes.
e) a gamete from this species has four chromosomes.

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.