Answer:
the skin,hair,naios,glands and nerves
Organism in an eniornment can compte for food
Answer:
C DNA and Protines
Explanation:Nuclear DNA does not appear in free linear strands; it is highly condensed and wrapped around nuclear proteins in order to fit inside the nucleus.
An example of a parallel choice on a dichotomous key is happy or sad and old or young. Either one of those answers.