During , half of a cell’s chromosomes move toward one end of the cell, and the other half move toward the other end of the cell.

Anaphase I (Meiosis)

Anaphase (Mitosis)

Explanation:

It is in Anaphase I (meiosis) where the chromosomes are pulled apart towards opposite ends, which we call poles, of the cell.  At the start of this phase, the sister chromatids are still together, held by the centromere. The spindle fibers then attach to each half and start pulling them apart.  The next phase would be telophase when they reach both ends already.

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water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.