What are thin and thick myofilaments made of?

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

If animal agriculture was eliminated, how much grain would become available for human consumption?

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.