During metaphase 1, the spindle fibers attach to the centromeres of each chromosome. Both kinetochores of each sister chromatid pair are turned toward the same pole. And 2 members of each chromosome pair (sister chromatids) are pulled into each new cell during anaphase 1.
I think the answer you want is they are called chromatids.
Answer:
Multiple ways that we can minimise the option of plastic are by reusing different plastics, use compost bins, and use reusable grocery bags or reuse plastic bags when grocery shopping, buy secondhand items and donate used goods, and RECYCLE!!
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Unlike other ways of reproduction, sexual reproduction provides variation through inheriting various genes. This variation is essential for adaptation as it would not just create a copy of the original life form, but rather a different unique life form that could adapt to something, and then have it's own offspring with the adapted trait.
Answer:
The lichen is a decomposer that digests rocks and forms soil.