In the analogy of a zipper there are many teeth to which male and female components can fit in. In the zipper system a species with a certain idea would have arranged its back up where not only its physiology but also identify in what manner it can trade off with competing life-forms. In short the species has a strategy and it is thanks to wisdom and power as drawn from Nature. This game plan or survival plan must be tested and according to circumstances must also be revised. Is that possible?
Let us look at the way plants are primarily constructed—simple elements like carbon, oxygen, hydrogen, calcium, phosphorus, etc. are common for animals, fungi, or even bacteria. Only the details of the way in which they are assembled, differs. Like animals, plants produce chemicals called hormones which are produced in one part of the plant to signal cells in another part of the plant to respond. Because they cannot move, plants must also defend themselves chemically from herbivores, pathogens and competition from other plants. Finally interactions between cells, tissues, and organs within a plant are physically and chemically specialized to perform different functions. Roots and rhizoids function to anchor the plant and acquire minerals in the soil. Leaves catch light in order to manufacture nutrients. For both of these organs to remain living, minerals that the roots acquire must be transported to the leaves, and the nutrients manufactured in the leaves must be transported to the roots. Plants have developed a number of ways to achieve this transport, such as vascular tissue, and the functioning of the various modes of transport. Plant physiology creates an array of backup system by which a plant ensures its survival chances. For example in areas where trees are exposed to frequent forest fires, some species develop bark thicker than normal to protect the pith from harm.
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