Q: What kind of muscle relationship generally produces back-and-forth movement of a body part? Choices: - complementary muscles - cooperative muscles - synchronized muscles - antagonistic muscles A:
antagonistic muscles

Q: What occurs when organisms acquire and pass on new traits from one generation to the next generation? Choices: - variation - birth - phenomenon - evolution A:
evolution

Q: Essential minerals that the body needs in tiny quantities are called what? Choices: - flux minerals - draw minerals - byproduct minerals - trace minerals A:
trace minerals

Q: What is the second class of fish after ray-finned fish? Choices: - pine - finned fish - spar - finned fish - star-finned fish - lobe-finned fish A:
lobe-finned fish