Answer:
Collenchyma is a supporting tissue composed of more or less elongated living cells with unevenly thickened, nonlignified primary walls.
Aerenchyma is a modification of the parenchyma to form a spongy tissue that creates spaces or air channels in the leaves, stems and roots of some plants, which allows exchange of gases between the shoot and the root.
Explanation:
The organisms have buffers
The body will produce mixtures of chemicals that resist pH changes,a buffer, which consists of a weak acid and its conjugate base, or vice versa.
If the pH is too low (acid) because of the metabolites produced, the base of the buffer will accept some of the hydrogen ions and raise the pH to normal levels.
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Answer:
Rocky
Explanation: don't know if it's correct tbh but I'm going with it
The sun. This is the basis of all plant production, which in turn feeds the primary consumers, which in turn feeds the other consumers.