Question
These groupings describe the position of an organism in a food web. For 10 points each:
[10m] Name these groupings of organisms which include primary producers and apex predators. As a general rule, 10% of energy is transferred from one of these groups to the successive one.
ANSWER: trophic level [prompt on energy pyramid, food chain, or food web]
[10e] This general class of organisms is not included in any trophic levels. These organisms break down dead organisms to absorb nutrients and are exemplified by fungi.
ANSWER: decomposers [accept detritivores]
[10h] Pollutants like these “forever chemicals” accumulate in apex predators over time due to biomagnification. These polymers have been ubiquitously detected at alarmingly high amounts in fish throughout the US.
ANSWER: PFAS [or perfluoroalkyl substances; or polyfluoroalkyl substances]
<AG, Other Science>
Summary
| 2023 ILLIAC (Cornell) | 2023-10-21 | Y | 4 | 20.00 | 100% | 75% | 25% |
| 2023 ILLIAC (Mainsite) | 2023-10-21 | Y | 8 | 18.75 | 100% | 50% | 38% |
Data
| Chicago A | Missouri | 0 | 10 | 10 | 20 |
| Chicago B | Chicago D | 10 | 10 | 10 | 30 |
| Michigan B | Chicago C | 0 | 10 | 0 | 10 |
| Michigan A | Ohio State A | 10 | 10 | 0 | 20 |
| Ohio State C | SIUE B | 0 | 10 | 0 | 10 |
| Purdue C | Ohio State B | 10 | 10 | 10 | 30 |
| SIUE A | Purdue A | 0 | 10 | 0 | 10 |
| WUSTL | Purdue B | 10 | 10 | 0 | 20 |