In some areas forests plant one tree every tree they cut. this activity is an example of

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.

Climate warming trends allow plant and insect species to inhabit larger ranges. select the best answer from the choices provided

Both carbohydrates and fats are used as fuel in cells. true or false