Semelparity is favored when the external environment imposes high adult mortality relative to juvenile mortality,and mature individuals are unlikely to survive much longer.

Question

Quizplus · Accepted Answer

Semelparity, or "big bang" reproduction, is favored when adult mortality is high and individuals are unlikely to survive much longer, because it allows individuals to produce as many offspring as possible before they die. This strategy is typically seen in species with high juvenile mortality rates or unpredictable environments.

Semelparity Is Favored When the External Environment Imposes High Adult