Question

which of the following are examples of correlation, and which are examples of causation? when lean individuals receive a transplant of bacteria from an obese individual (containing a high proportion of firmicutes bacteria), they become obese. obese individuals have a significantly greater number of firmicutes bacteria in their gut compared to lean individuals. cancer rates in developing nations are lower than in developed nations. when obese individuals are put on a diet for 52 weeks, the proportion of firmicutes bacteria in the gut decreases whereas the proportion of bacteroidetes bacteria increases.

Explanation:

Correlation shows a relationship, causation implies one - thing causes another. First is causation as bacteria causes obesity. Second is correlation between gut bacteria and obesity. Third is correlation between nation development and cancer rates. Fourth is causation as diet affects gut bacteria.

Answer:

1. causation
2. correlation
3. correlation
4. causation