Plant roots absorb ammonium ions and nitrate ions for use in making molecules such as DNA,amino acids, and proteins. ... The chemical process by which atmospheric nitrogen is fixed by bacteria into organic compounds that can be readily used by plants
He developed and improved the microscope. He was also the first to discover single-cell organisms that he called animalcules.
Answer:
Looking for light
Explanation:
Since plants require sunlight in order to produce light, they need to be exposed to it. Now, since there are other plants attempting to do the same they have to grow higher so they don't get put in the others shadow and possibly die due to lack of sunlight.
<span>Peripheral thermoreceptors and central thermoreceptors</span>
