medium · Enhanced ACT science
Two scientists debate why a desert lizard species is most active at dawn and dusk.
Scientist 1 says the lizards avoid midday because high air temperatures would overheat their bodies, since they cannot cool themselves internally.
Scientist 2 says the lizards are active at dawn and dusk because that is when their insect prey emerges, regardless of temperature.
Which finding would most strongly support Scientist 1 over Scientist 2?
- Lizards were observed eating insects during the dawn activity period
- Insect prey was found to be equally abundant at midday and at dusk
- Lizards and their insect prey both became active at the same times
- Lizards moved to shade whenever their body temperature rose
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