4) What is a zygote? How does the zygote form the organism?

What causes darkening of the skin as melanin production increases

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.

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.