Explanation:
guessing :
a. The oxygen atom in a water molecule has a slight negative charge.
The answr is c. Facilitated diffusion
<span>Euglena is autotrophic and has a chloroplast. Euglena can photosynthesize and make its own food.
Zooflagellates cannot photosynthesize and cannot make their own food. So, Euglena is considered phytoplankton and Zooflagellates are considered zooplankton.</span>
Answer:
The target organs of this gland are the kidneys, bones and intestines.
Two hormones secreted by the adrenal medulla are adrenaline and norepinephrine
Explanation:
The parathyroid gland controls calcium in the extracellular fluid through its influence on the target organs named above.
Adrenaline stimulates lipolysis, glycogen degradation and also increases blood flow to the heart and muscles.
Norepinephrine stimulates lipolysis and contracts arterioles and venules
Noncyclic electron flow in the chloroplast results in the production of<span>ATP, NADPH, O2</span>
