Digestive bacteria and humans - Human beings have what is often called "good" bacteria in their digestive systems. This "good" bacteria exists in order to help the human to digest food
Some foods cannot be digested entirely: so, when these foods are consumed, the bacteria
in the digestive system feed on those foods.
The bacteria stay alive.
The human gets help with the process of digestion.
predation
mutualism
competition
commensalism

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.