The answer of this question would be Chloroplasts
The answer is <span>b. desert biome </span><span />
I think it A I hope this help
'The endocrine system<span> 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 </span>function' According to Google.
