Semelparity (Suicidal reproduction) has evolved in only four genera of mammals. Scientists presume that male suicidal reproduction occurs in a species when scronized breeding occurs and the females are promiscuous.
Cite: http://m.pnas.org/content/early/2013/10/02/1310691110
I feel like "only" is a strong word,
I feel like "only" is a strong word,
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