What are the pros and cons of space research ad exploraton? specifically some examples (i chose biology for the subject but it is astronomy and there was no option for astronomy)

What are some things that limit population growth?

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.

When the oxygen produced by photosynthetic plants in the water dissolves in the water, which of these is being formed?