Each autumn, millions of monarch butterflies undertake a grueling multi-generational migration from North America to the oyamel fir forests of central Mexico. To survive this arduous journey, these delicate insects rely on thermal updrafts to chill out and cruise over long distances. Researchers studying this phenomenon have noted that the butterflies' navigation systems are remarkably precise, allowing them to return to the exact same groves year after year.
Which choice best maintains the established tone of the passage?
- ANO CHANGE
- Bfacilitate their aerial progression in a highly unlaborious manner
- glide effortlesslyAnswer
- Dglide effortlessly at
Answer
The option that reads 'glide effortlessly' is correct because it matches the passage's formal and informative scientific tone without being overly informal or excessively complex.
The option that proposes 'glide effortlessly' is correct because it maintains the professional and scientific tone established by the surrounding sentences. It uses clear, standard English that is appropriate for an informative passage about animal behavior.
Step-by-Step Solution
Key Concept
Tone Consistency
Estimated Time:45s