What are four jobs of the skeletal system?

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

Which contributions did galileo make to the model of the solar system? check all that apply. a mathematical model for the orbits of the planets scientifically accurate data on planetary orbits data that showed that planets reflected sunlight similar to earth's moon up the idea that stars are other suns that do not move u observations of the moons of jupiter rotating around the gas giant