Q: When skunks are in danger what do they give off? Choices: - warning howls - ejected quills - sweet odor - foul smell A:
foul smell

(Question)
Q: What evolutionary process may affect the distribution of a polygenic trait? Choices: - artificial selection - flow selection - characteristic selection - natural selection A:
(Answer)
natural selection

Ques: Q: Ionic bonds are electrostatic attractions between two oppositely charged what? Choices: - molecules - gasses - compounds - ions A:
Ans: ions

(Q).
Q: An electron is accelerated from rest through a potential difference of what? Choices: - joules - watts - amperes - volts A:
(A).
volts

Ques:Q: Inserting copies of normal genes into a patient with defective genes is known as? Choices: - pattern therapy - cloning - chromosome treatment - gene therapy A:

Ans:gene therapy

Ques:Q: What in hemoglobin gives red blood cells their red color? Choices: - calcium - lead - barium - iron A:

Ans:
iron