Complete the sentence about the method of heat transfer. The Sun transfers heat to Earth through..(electromagnetic waves, convention currents, conduction). This method of heat transfer is evidence that..( a difference in temperature, physical contact, solar wind).. is not necessary for heat to move from place to place.

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.

What must be true for natural selection to heppen

Did you know that a blue wales tongue weighs more than an elephant?