Answer:
organisms from one trophic level are consumed by organisms from the next level.
Explanation:
Answer:
When corals are stressed by changes in conditions such as temperature, light, or nutrients, they expel the symbiotic algae living in their tissues, causing them to turn completely white. Warmer water temperatures can result in coral bleaching. ... This is called coral bleaching. When a coral bleaches, it is not dead
Explanation:
An example of a parallel choice on a dichotomous key is happy or sad and old or young. Either one of those answers.