*Question*
Q: What are the attractive forces that occur between polar molecules called? Choices: - induced-dipole forces - particle - dipole forces - ion-dipole forces - dipole-dipole forces A:
**Answer**
dipole-dipole forces

*Question*
Q: Plants obtain their energy from the sun through photosynthesis , what do animals obtain their energy from? Choices: - tissues - proteins - ultraviolet rays - organisms A:
**Answer**
organisms

*Question*
Q: What paired organs help regulate blood pressure through sodium ion and water retention and loss? Choices: - lungs - tissues - lymph nodes - kidneys A:
**Answer**
kidneys

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