3. Fertilization of the egg in the upper part of the oviduct has always thought to be a means to naturally select the most-fit sperm, weeding out those less fit, unable to complete the journey. However, recent evidence has showed that sperm actually 'help' each other during the ascent by locking tails and pulling other sperm along towards the egg. Describe an alternative hypothesis for fertilization in the upper oviduct to the 'most fit sperm' hypothesis and how would you provide evidence?

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Violence

Violence is defined as a physical act that causes or is intended to cause harm. Violence can cause physical, emotional, or both types of harm. Violence is defined by the World Health Organization as the intended use of physical force and power that causes threat or harm against oneself, another person, or against a community or group, and has the potential to cause damage, death, mental distress, maldevelopment, or poverty.