<span>Luca Cavalli-Sforza is a geneticist who hypothesized that the skin-color change came late because previous people had complete vitamin D access to the foods that they are eating. But the moment they started farming, the main vitamin sources are reduced, making a larger gain of having light skin.</span>
The endocrine system is made up of glands that produce and secrete hormones, chemical substances produced in the body that regulate the activity of cells or organs. These hormones regulate the body's growth, metabolism (the physical and chemical processes of the body), and sexual development and function
Examples of passive transport are osmosis, diffusion, facilitated diffusion and filtration. Hope that'll help.
Answer:
A tissue
Explanation:
Cells are grouped together to carry out specific functions. A group of cells that work together form a tissue.
I hope this helps :")
Answer: D
Explanation:
The nucleus is the organelle that houses DNA
A describes the smooth ER. B is a protein. C is the mitochondria.
