Ques: Q: A d. melanogaster population has an average heterozygosity of what? Choices: - 19 % - 21 % - 22 % - 14% A:
Ans: 14%

Ques: Q: What prevents soil erosion on a hillside that is being farmed? Choices: - slash-and-burn - irrigation - no-till farming - terracing A:
Ans: terracing

Ques: Q: Earth acts like a giant version of what device, with angular momentum along its axis and pointing at polaris, the north star? Choices: - compass - telescope - accelerator - gyroscope A:
Ans: gyroscope

Ques: Q: Alpha, beta, and gamma emissions are associated with what kind of energy? Choices: - kinetic - electrical - potential - radiation A:
Ans:
radiation