Question
These structures can be pigmented red-brown by protoporphyrin IX ("nine") or blue-green by biliverdin. For 10 points each:
[10m] Name these structures that remain pigmented in some archosaurs. Pigmentation of these structures may provide camouflage and is often accompanied by speckled patterning.
ANSWER: eggshells [prompt on eggs or shells]
[10e] Egg color co-evolved with this task, whose "contact" type may have motivated the structured clutches of oviraptorosaurs. Premature infants are kept in warm, clear boxes that perform this task.
ANSWER: incubation [accept word forms like incubators and incubate; accept contact incubation]
[10h] Biliverdin caused the blue-green coloration of the eggs of this "terrible clawed" raptor. John Ostrom used this theropod to spark the warm-blooded "dinosaur renaissance."
ANSWER: Deinonychus antirrhopus [or Deinonychus antirrhopus]
<Science - Biology>
Data
Summary
| Tournament | Edition | Exact Match? | Heard | PPB | Easy % | Medium % | Hard % |
|---|---|---|---|---|---|---|---|
| 2025 PACE NSC | 06/07/2025 | Y | 42 | 10.00 | 98% | 0% | 2% |