Multicellular organisms use cell division my ptosis for growth in the maintenance and repair of cells and tissues there are a few cells in the body that did not undergo mitosis most somatic cells divide regularly some more than others single celled organisms may use cell division as a method of a reproduction regardless of the reason for my ptosis the process ensures genetic continuity consider the model of the cell cycle explain the purpose of the areas labeled checkpoint in the cycle all but one could apply

they each offer a fresh glut of resources to the organisms that can arrive and exploit them. as individuals and new species continue to appear, they actively and passively alter the environment. competition for shared resources increases, local abiotic and biotic conditions shift, and the relative abundances of species change accordingly. the process is called ecological succession, and it is one of the earliest and most well-known concepts in ecology.

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explanation:

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i think the answer would be d

idk lol use google m8