Answer:Diarrhea
Explanation:
Influenza is a type of viral infection. It is commonly described as flu. Its symptoms are usually worse than normal cold.
Most of the symptoms of flu are not observed during the starting few days and one may transfer it to another person before knowing about it.
The main symptoms of flu includes headache, dry cough, muscular aches. It does not includes diarrhea.
The answer would be respiratory because that system is used to breath oxygen and exhale carbon
The answer to this question would be: discrimination
Discrimination has its own adaptive value that was beneficial to the survival. By being discriminative to the predator, someone can perceive danger faster thus can react more quickly. Other than a lion, this discrimination can be triggered in snakes, spider, or other dangerous animals.
the answer here should be B
algae being they are high oxygen producers