Examlex
Specific immunity can be natural or acquired.
Offspring-Offspring Conflict
A situation in which siblings compete for resources or parental investment, often leading to conflict within families.
Parental Care
Behavioral and physiological activities exhibited by animals towards their offspring to enhance their survival.
Siblings Competing
The rivalry or competition that occurs between siblings for resources such as food, attention, or parental care.
Grandmother Hypothesis
A theory suggesting that the presence and assistance of grandmothers can increase the survival chances of grandchildren, influencing human evolution.
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