Examlex
In animals, the egg and sperm cells are:
Males Compete
A behavioral aspect in many species where male individuals vie for access to resources or mates, influencing sexual selection.
Spear-Like Organ
An anatomical feature resembling a spear, often used in the context of certain animals for hunting, defense, or feeding.
Sexual Arms Race
The evolutionary battle between males and females of a species, where one sex evolves a feature for reproductive advantage and the other sex evolves countermeasures.
Selection Pressure
Environmental or social forces that influence the survival and reproductive success of an organism, driving evolutionary changes.
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