Examlex
Noble gases are chemically inert because their outer electron shell is filled.
Parental Investment
The effort expended by parents in raising offspring to improve their chances of survival and reproductive success.
Reproductive Output
The total number of offspring an organism can produce over its lifetime, a key factor in evolutionary fitness.
Trivers-Willard Hypothesis
A theory suggesting that parental investment in offspring is influenced by the parent's condition and the offspring's potential reproductive success.
Sex Ratio
The proportion of males to females in a population, which can influence mating behavior and social structure.
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