I honestly think that it is absolutely B
Answer;
C. Be more susceptible to disease and famine
Explanation;
-A species that has experienced a severe bottleneck event would be expected to be more susceptible to disease and famine.
-The Bottleneck Effect occurs when there is a disaster of some sort that reduces a population to a small handful, which rarely represents the actual genetic makeup of the initial population.
-It may be caused by various events, such as an environmental disaster, the hunting of a species to the point of extinction, or habitat destruction that results in the deaths of organisms.
To bring oxygen in the body because it is a respiratory organ fish
August 4th, 1961.........................................
I believe the answer is B. Hope I help! Sorry if not. ):)