1. The appearances of fireflies at dusk is an example of a circadian rhythm because it's happens daily. The correct option among all the options that are given in the question is the third option or option "c".
2. During migration, animals undertake a seasonal movement. The correct option among all the options that are given in the question is the first option or option "a".
The sugar and phosphate portion of the nucleotides are found as segments of the rails on the DNA twisted ladder.
Answer:
it's called taxonomy or binomial nomenclature
the first name is generic (from genus) and begins with a capital letter
the second name is specific (from species) and begins with a small letter
Cos they were created like that
