Answer:
predation
Explanation:
parasitism is when one animal gains while the other hurts. so is predation.
When cancer cells enter the lymph or blood system, they can form secondary tumours elsewhere.
<span>Secondary tumours are actually metastasis, cancer that spreads to a different part of the body from where it started. This happens when cancer cells break away from the main tumour and travel via blood or lymphatic system to other certain parts of the body. It is more difficult to treat metastasis because it is not always the same type of an original tumour.</span>
The process of homeostasis is retained at a cellular level by making the cell get rid of waste materials such as carbon dioxide. Carbon dioxide is produced in cellular respiration. Other waste materials are utilized to make oxygen and protein.
You should search that up in the internet