2. Choose a problem that could be tested using the scientific method. Once you have stated the problem, explain how you are going to set up the experiment to test the problem (procedure of experiment). Be sure to identify the independent, dependent, and controlled variables.

After reading the paragraph below, answer the questions that follow. researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. the robot, made of a polymer similar to that used in making contact lenses, is bathed in heart cells with supporting cells, which then attach to the robot and provide movement as they contract. all of the cardiac cells working together can cause the robot leg to move in a way that individual cells could not. this is an example of a. emergent properties of cells. b. energy flow through an ecosystem. c. adaptation. d. internal environment regulation.

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

Most of the carbon on earth is stored in the form of