Each minerals has a unique chemical composition , therefore they can be classified into different mineral groups. There are 7 major mineral groups , however we are focusing on the 4 most abundant groups . Name each group , name what specific elements a mineral must contain to be classified in each group , and give an example of a mineral that belongs to that group .

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

Match the functions to the cell types ? contraction and relaxation. conducting electrochemical signals fighting diseases carrying genetic material

Abody cell has been growing and at synthesis proteins.in the nucleus of this body cell,dna replication is taking place. and a copy of the cells genetic material is copied.which of the following is the best conclusion you can make about the life cycle of this cell ? a) the cell is ready to undergo mitosis.and a chemical signal will send the cell to prophase b)the cell is undergoing meiosis and will cross over the genetic material next c)the cell is in the s phase of interphase and will move next to the g2 phase d) the cell is in the g2 phase of the interphase and is ready to begin diving