The plant vascular system carries out two essential functions, namely the delivery of resources (water, essential mineral nutrients, sugars and amino acids) to the various plant organs, and provision of mechanical support.
All living things depend on Nitrogen to make proteins. Humans ingest nitrogen via proteins in the food they eat.
Therefore C would be the correct answer.
Coelom: fluid-filled body cavity lined with mesoderm
or coelomates: fluid-filled body cavity completely lined with cells from the mesoderm that separates digestive tract from the outer body wall, two openings for digestive system
Immune system (b)
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Answer:
heat transfer?
Explanation: look it up it says heat transfer