You would try to study the nucleus and the organelles of the organism to classify it
Answer:
The human genome contains around 20,687 protein-coding genes. Different genes or instructions are read at different times in different cells in response to the requirements of our bodies. Each cell contains two sets of genes, one from your mother and one from your father.
Explanation:
Arrow a should point to muscle tissue, arrow B should point to an organ, arrow c should point to organ system.
They are made of non-renewable resources. The resources that they are made of also are unsustainable