What energy flows through organisms and the environment and eventually flows out of the biosphere

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

Diffusion and osmosis are forms of passive transport

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?