A group of cells that have a common origin and function together to perform a specialized group of activities is called a(n) .

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.

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?