Which muscle has 3 muscle "heads' or points of origin that is responsible for straightening the arm? O Abdominals
O Biceps
O Triceps
O Gluteus Maximus​

Describe the relationship between isotonic solutions, equilibrium, and water movement into and out of a cell.

How do water’s relative densities as a solid and a liquid differ from that of most other substances? water’s solid and liquid forms have different densities, while most other substances have solid and liquid forms with similar densities. water’s solid and liquid forms have similar densities, while most other substances have solid and liquid forms with different densities. water’s liquid form is less dense than its solid form, while the opposite is true of most other substances. water’s solid form is less dense than its liquid form, while the opposite is true of most other substances.

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?