The law of independent assortment states that traits are passed from parents to offspring independently of one another; therefore the traits are independently assorted.
Explanation:
The law of independent assortment is also known as Mendel's 2nd law of heredity.
It states that during gamete formation, the way one pair of alleles for a given trait distributes itself in the gametes does not affect the way other pairs of alleles (for other traits) distribute themselves.
The answer is D the birds and the same bone structure but there beaks changed to eat different food so it can't be a or b and the song is just for mating and they are different species so the answer is D. (D)