Final answer:
The sentence that should NOT be included in a summary of paragraph 3 is 'If the young remain in the area, the mother may continue to protect them for up to a year.'
Step-by-step explanation:
The sentence that should NOT be included in a summary of paragraph 3 is 'If the young remain in the area, the mother may continue to protect them for up to a year.' This sentence talks about the behavior of reptile parents, rather than specifically focusing on sea turtles and their eggs. It is not directly related to the topic of sea turtle hatchlings being in danger of capture before reaching the ocean due to confused directions and bright lights.