Photoreceptors.
I hope this helps!
It should be 18 because:
100 x 2 = 200
200 + 70 = 270
360 - 270 = 90
90/5 = 18
So x = 18
<span>Two things that Characterize the practice of science is empirical evidence and community consensus. Empirical evidence is information which is received by observation or experimentation. This data is recorded and analyzed, which is a central process for scientific methods. Community consensus is a group of people who make a decision by agreeing to support the best interest of the whole group.</span>
The Follicle stimulating hormone (FSH) is secreted by using the pituitary gland. Hope this helps!