If I know the delta u are talking about , it is a mathematical meaning . Both meaning begin with a D just like the Greek letter , which should help u remember
<span>The correct answer is B.exocrine glands.
It is because exocrine glands do not belong to the neuroendocrine system.</span> <span>The neuroendocrine system integrates the interaction between the nervous system and the endocrine system to regulate the physiological processes of the human body (homeostasis, reproduction, metabolism, osmolarity, energy regulation, blood pressure). The major systems within neuroendocrinology systems are hypothalamic–pituitary–adrenal axis, hypothalamic–pituitary–thyroid axis,hypothalamic–pituitary–gonadal axis.</span>
A control group of the experiment is the one in which no treatment or intervention is given. So, in your case, the pea plants in which was not subjected any of the fertilizers, will serve as a control group. This is a negative control. A positive control group is the one in which an established treatment is given, which definitely leads to the production of the desired character. So, in your case, a very good well-known fertilizer which has a positive control on the growth of the pea plant, would serve as a positive control.
