Practice IB Biology Topic B4.1 Adaptation to Environment with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for B4.1 Adaptation to Environment and mirrors Paper 1A, 1B, 2 style where relevant.
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A species of crab is most abundant where salinity ranges from 25–32 ppt. Where would it be least likely to occur?
| Site | Salinity (ppt) |
|---|---|
| A | 20 |
| B | 28 |
| C | 30 |
| D | 32 |
Which of the following is an adaptation found in tropical rainforest trees?
What does the term habitat refer to in ecology?
Which two abiotic factors are most important in determining terrestrial biome distribution?
Which of the following statements best distinguishes an adaptation from an acquired characteristic?