Answer:
Main function of phloem Transportation of food particles.
Explanation:
Phloem is the living vascular tissue in plants. Phloem is also known as bast. Phloem is responsible for transporting food to parts of the plant where needed. It's mainly transport sugar sucrose which is made by photosynthesis. This transport process is called translocation. In trees the phloem is the innermost layer of the bark.
A human female has XX chromosomes
Explanation:
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<span>There are many theories as to how multi-cellular life formed. The development of multi cellular life has occurred independently at least 46 times. It has been proposed that a minor genetic change in a molecule guanylate kinase protein-interaction domain (GKP-ID) may have allowed life to go from single to multi-cellular. It is also Possible a mutation of the DNA responsible for the mechanism of cell-division lead to the development of multi cellular life.</span>
