1. The main idea of the passage is that different environments affect how organisms adapt and survive, with specific examples like desert plants and arctic animals.
2. The author supports the main idea by providing concrete examples such as cacti storing water and polar bears having thick fur, showing how physical traits help survival in extreme conditions.
3. The phrase “evolutionary advantage” refers to inherited traits that increase an organism’s chances of surviving and reproducing in its environment.
4. The passage suggests that environmental changes can lead to extinction if organisms cannot adapt quickly enough, emphasizing the importance of genetic diversity.
5. The author’s tone is informative and objective, presenting scientific facts without emotional bias or personal opinion.
6. A logical conclusion from the passage is that conservation efforts should prioritize protecting habitats to maintain biodiversity and allow natural adaptation processes to continue.
Parent Tip: Review the logic above to help your child master the concept of the living earth worksheet.