Which characteristic can be inherited?
a) ability to roll the tongue
b) the length of human hair
c) the ability to play the piano
d) the appetite of a puppy
explain i don't want just the answer, and i thought it was a but i'm not sure.

Since someone went in it made it 6 people so it’s simple math 6-4=2

Hmm this is a hard heterotroph's can't produce its own food. a human can produce it's own food because people kill animals and eat them like squirrel, deer, oak trees need rain which they don't produce the rain, bee's need flowers and pollen and nectar but they don't produce it either, rabbit's don't produce either, because they either steal carrots from your garden and eat leaves.so, the best answer that i would pick is a. humanshope my answer has you and sorry if it doesn't : ) : (