Human forelimbs is used for a variety of functions, such as for eating.
Similarities: They are all made from the same basic anatomical structure classified as homologous structures.
They all have this structure inherited from a common ancestor.
Answer:not sure but i think b!
Explanation:
Nitrogen isn't found in carbohydrates or lipids
Answer:
2 b
3 b
the others I really don't understand, they are incomplete or misspelled
