Blood consists of different types of cells — red blood cells, platelets, and white blood cells. red blood cells transport oxygen throughout the body, platelets aid in blood clotting, and white blood cells destroy and remove old cells and foreign substances. this is an example of how a. different cells are unable to be grouped together within the same organ or organ system. b. only similar cells are grouped together so they can perform a singular function. c. every part of the body contains different cells with unique and unrelated functions. d. the cells of the body are of different kinds and are grouped in ways that enhance how they function together.

D. the cells of the body are of different kinds and are grouped in ways that enhance how they function together.

Explanation:

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explanation:

4.) metal

"-the movement of carbon from the nonliving environment into living things and back to the environment

-carbon is the essential component of proteins, fats, and carbohydrates (which make up all organisms)

-carbon exists in air, water, and living organisms

-producers convert carbon dioxide in the atmosphere into carbohydrates during photosynthesis

-bacteria in the atmosphere cycles through the system in filtration units

-in cellular respiration, carbon is released back into the atmosphere as carbon dioxide

-some carbon is stored in limestone (forming one of the largest "carbon sinks" on earth)

-largest carbon reservoir on earth= limestone

-carbon stored in the bodies of organisms as fat, oils, or other molecules may be released into the soil or air when the organism dies

-this may form deposits of coal, oil, or natural gas (fossil fuels, which increased the atmospheric carbon dioxide)

-fossil fuels store carbon left over from bodies of organisms that died millions of years ago

-they are located in the surface of earth, deep within the earth and beneath the ocean floor."