Why can't a female lizard have both high fecundity and high survival?
A) In only rare cases, lizards have both high fecundity and high survival.
B) Female lizards are able to produce only one set of offspring.
C) Competition for resources prevents this.
D) The more energy the female devotes to offspring, the less that can be devoted to her survival.
E) The female is already maximizing the number of eggs she lays, and if she attempts to nest later in the season, there will not be enough food for her young.
Answer: D
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