I know that they need air to live
I'm almost positive it is tissue because all organ have tissue but most have muscles, blood, veins
Because since the species is isolated with its partners it has to find another way to multiply so it uses another animal to make a new species to stay alive
Answer:
D) observation that certain tumor-suppressor genes and oncogenes are involved in a sequential manner in the development of colon cancer
Explanation:
Cancer is defined as the abnormal growth of cells of the body. These cells multiply/replicate without control thereby forming a lump or tumor.
Cancer growth has 5 stages and they go though different multi level steps.Different finding backs this up and it includes observation about certain tumor-suppressor genes and oncogenes being involved in a sequential manner in the development of colon cancer.
The answer is the second choice: variation, overpopulation, adaptation