Answer:
Scientist 3
Explanation:
Cas it goes from very low to high so there not on the same path
<span>A stem is one of two main structural axes of a vascular plant, the other being the root. The stem is normally divided into nodes and internodes. The nodes hold buds which grow into one or more leaves, conifer cones, roots, other stems, or flowers (inflorescences); the internodes distance one node from another.</span>
Answer:
Autotrophs make their own food through the process of photosynthesis. They use sunlight, water and carbon dioxide to produce glucose and oxygen.
Plants are the most common autotrophs, but algae and cyanobacteria are also autotrophs.
Hope this helps! :)
1.it helps flows nutrients in you 2.it keep your heart pumping