Which evidence would scientist use to make the connection between ancestry of fish and tetrapods using Tiktaalik roseae?
using transitional forms
using relative dating
studying decreasing complexity
studying analogous structures

The picture below shows two galaxies. spiral galaxy and elliptical galaxy which of these statements best describes a similarity between the two galaxies? (2 points) both have elongated centers. both have centers shaped like bars. both change their shape from time to time. both are held together by gravitational forces.