| 1 | Frogs and newts are amphibians. | |
| 2 | Spotted salamanders lay their eggs in pools in spring. | |
| 3 | It' s also possible that the axolotl' s mechanisms are different from other salamanders. | |
| 4 | But a salamander embryo can attract algae. Inside its tissues and cells. | |
| 5 | After the researchers amputated their salamanders' legs, the legs regrew. |