Eggs provide several evolutionary advantages that have allowed various species to thrive:
Amniotic Egg Evolution: The amniotic egg, developed over 300 million years ago, enabled vertebrates to reproduce away from water, facilitating colonization of diverse terrestrial environments and reducing competition for aquatic breeding sites.
Survival Rates: Eggs can offer a protective environment for embryos, leading to higher survival rates compared to external fertilization methods. This is particularly beneficial in predator-rich habitats.
Nutritional Efficiency: Larger eggs can enhance developmental success and offspring size, allowing for better resource allocation and increased longevity in certain species
These adaptations illustrate how egg-laying strategies have contributed to the success of many animal lineages.
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