Need asap 20 pts and will award brainiest. in a multicellular organism, what are the levels of organisms from smallest to largest, and what is their relationship to one another

Wht happens as electrons in the electron transport chain release their energy

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.

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above