What form of carbon is incorporated into organic matter by producers?

How is an osprey's feathers insulate it in cold weather? What type of lava forms shiveluch volcano? The pituitary hormone that stimulates melanocytes to produce melanin is? Which one o the following is not a valid value for the magnetic quantum number of an electron in a 5d sublevel? If 0 is everything and nothing at the same time than is it not equally possible to have a universe than have nothing? How do you wire a light that requires 240 Volts to 3-way switches? What is the ruler on the map for? Did Sir Isaac Newton use max planck constant first? WHAT CITY is 47 degrees north and 12 degrees east? What fractional part of a yard is 6 inches? How bright is 3900 lumens? What is the release of waste or cell products called? What condenser value do you want when using 100X objective lens? How can we differentiate between cell and cell membrane? Where is the amoeba found in the protista? What are b cells ultimately responsible for? What are the components of sugar? Why did Mendeleev leave spaces in his table? What day will the days get shorter in 2009? What way of representing a molecule best shows its three dimensional shapes?

What form of carbon is incorporated into organic matter by producers?