Darkness
The increasing darkness in the Northern Hemisphere this time of year "indicates to the plant that fall is coming on. So it starts recouping materials from the [blank] before they drop off. Evergreens protect their needle-like foliage from freezing with [blank] coatings and natural "antifreeze." But broadleaf plants, like sugar maples, birches, and sumacs, have no such protections. As a result, they [blank] their leaves. But before they do, the plants first try to salvage important nutrients such as nitrogen and phosphorus.
Sample Answer & Audio Transcript
Practice This Question with Real-Time AI Scoring
Record your voice or submit your writing to get official Pearson-aligned scores (10-90) across Oral Fluency, Pronunciation, Grammar, and Content in 1.2 seconds.
Pearson Official Scoring Guide for Reading & Writing: Fill in the Blanks
Scored Enabling Skills
- Communicative Skills & Enabling Skills
Timing Standard
Response Window: Official Pearson Exam Standard