What is the name of the microtubule-organizing center found in animal cells as an identifiable structure present during all phases of the cell cycle?

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.

Why are common names a problem for scientist?

Which of these is a provisioning service people get from the ocean