The coral provides the algae with a protected safe environment (a home) and compounds they need for photosynthesis. The algae in return, produce oxygen and help the coral to remove wastes. Most importantly, zooxanthellae supply the coral with glucose, glycerol, and amino acids, which are the products of photosynthesis.
The answer is abdominal cavity ! hope this helped you :)
<span>A. the same DNA molecule is expressed differently.</span>
<span>Despite the changes in the ocean, the crew continues to try to maintain course and keep sailing. This is similar to the human body because the internal control system that is found in the human body works together in order to maintain homeostaiss no matter what the external changes are.</span>
They transfer signal from CNS to effectors.
