Question
Amateur ornithologist David Lack pre-empted a classic study on these animals by two decades when he discovered that robins will attack a headless red doll that looks nothing like a bird. For 10 points each:
[10h] Name this fish that Niko Tinbergen was studying when he discovered fixed action patterns.
ANSWER: three-spined stickleback [or red stickleback]
[10m] The enormous diversity among sticklebacks also makes them ideal models for this process, epitomized by Darwin’s finches, by which species rapidly evolve from a common ancestor to occupy available niches.
ANSWER: adaptive radiation
[10e] Sticklebacks and S. solidus are also popular organisms to study co-evolution, since they engage in this type of symbiotic relationship in which one species benefits and the other is harmed.
ANSWER: parasitism [or parasites]
<Adam Silverman, Science - Biology> ~20872~ <Editor: Adam Silverman>
Summary
| 2023 PACE NSC | 06/10/2023 | Y | 5 | 20.00 | 100% | 40% | 60% |
Data
| Belmont | Hunter A | 0 | 10 | 10 | 20 |
| Mira Loma | Thomas Jefferson C | 0 | 0 | 10 | 10 |
| Winston Churchill A | St. Mark's | 10 | 0 | 10 | 20 |
| Troy | Kinkaid | 10 | 0 | 10 | 20 |
| Plymouth | University Lab | 10 | 10 | 10 | 30 |