Animals commonly called reptiles, amphibians, birds, and mammals are all tetrapods - a term that means "four feet." The transition from water to land is fascinating to scientists in part because it's our history - the transition documents the evolution of tetrapods, and humans are tetrapods. Tetrapods form a clade. Which of the following is true of tetrapods?

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.