Answer:
Commensalism
Explanation:
Commensalism is when one organism is helped while the other is neutral (neither hurt nor helped). Example: clownfish and anemone.
It can date back as far as the dinosaur age...
<span>If cancer, stroke, and heart disease were eliminated, demographers estimate that the life of an average 70-year-old would be extended approximately 7 years.It is because these are the major diseases that target the middle aged people.If these are eliminated people would be more heslthy and enjoy a longer life span</span>
Population ...................
