Highlights
Mystery of the Mud Nest
Martha L. Crump, Ph.D.
Health & Wellness
brown-spotted mud-nesting frogs, Science Animal, pond
HL
850
B2
English
9781682382813
Read along as a field biologist studies mud-nesting frogs in their natural environment. Learn about the frogs, and the results that they find.
Word lists coverage
The word and grammar lists are compiled from commercially available resources and English study websites. They are not intended to be authority. Use at your own discretion.| List | Total | Coverage |
|---|---|---|
| Eiken Grade 1 | 3,105 | 0.1% |
| Eiken Grade 2 | 866 | 0.35% |
| Eiken Grade 3 | 900 | 9.78% |
| Eiken Grade 4 | 600 | 14.17% |
| Eiken Grade 5 | 600 | 18.17% |
| Eiken Grade Pre1 | 2,868 | 0.38% |
| Eiken Grade Pre2 | 1,327 | 1.06% |
| Eiken Grade Pre2+ | 1,562 | 1.98% |
| NDL | 875 | 21.49% |
| NGSL 1 to 1,000 | 1,000 | 16.9% |
| NGSL 1,001 to 2,000 | 1,000 | 4.6% |
| NGSL 2,001 to 3,000 | 801 | 1.87% |
| NGSL Supplemental | 52 | 11.54% |
Grammar lists coverage
The word and grammar lists are compiled from commercially available resources and English study websites. They are not intended to be authority. Use at your own discretion.| List | Total | Unique | Coverage | Unique |
|---|---|---|---|---|
| Eiken Grade Pre1 | 94 | 94 | 0% | 0% |
| Eiken Grade 2 | 123 | 122 | 0% | 0% |
| Eiken Grade Pre2 | 111 | 108 | 0% | 0% |
| Eiken Grade 3 | 48 | 47 | 0% | 0% |
| Eiken Grade 4 | 52 | 49 | 0% | 0% |
| Eiken Grade 5 | 176 | 139 | 0% | 0% |
| A1 | 352 | 316 | 0% | 0% |
| A2 | 949 | 893 | 0% | 0% |
| B1 | 1,126 | 1,106 | 0% | 0% |
| B2 | 775 | 760 | 0% | 0% |
| C1 | 402 | 395 | 0% | 0% |
| C2 | 312 | 308 | 0% | 0% |