Which statement describes all primary producers? a. all make energy-rich compounds that can be used by other organisms. b. all make their own food using the energy of compounds in the environment. c. all take in energy-rich compounds that were made by other organisms. d. all make their own food using the energy of sunlight.

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

Where does the information about where each transcription factor binds originate?

What happens as electrons move along the chain of molecules known as the electron transport chain? they gain energy, which causes atp molecules to lose phosphate groups. they gain energy, which causes h *ions to join with oxygen to produce water. they lose energy, which is then used by the cell to make atp. they lose energy, which is then used to break down atp.