Which of the following facts implies that humans and fish had a common ancestor? a. both species are consumers. b. both species have the ability to swim. c. both species must expel waste materials. d. both species have gill slits when they are embryos.

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.