Answer:
D In Prophase I the chromosomes crossover, in Prophase II they do not crossover
Explanation:
Meiosis is a type of cell division in which four daughter cells, which are genetically different from one another, are produced. The daughter cells have their chromosomal number reduced by half. Since, the meiotic process aims at producing haploid gametes, it occurs in a series of two-division steps viz: meiosis I and meiosis II.
Meiosis I involves the separation of homologous chromosomes into two daughter cells while the meiosis II involves separation of chromatids to make four daughter cells. One major difference between meiosis I and meiosis II is that in the PROPHASE of meiosis I, a unique process called CROSSING OVER occurs but does not occur in meiosis II (as seen in the attached image).
Answer: Osmosis is the spontaneous net movement of solvent molecules across a selectively permeable membrane into a region of higher solute concentration, in the direction that tends to equalize the solute concentrations on both sides.
Explanation:
a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one, thus equalizing the concentrations on each side of the membrane.
2.
the process of gradual or unconscious assimilation of ideas, knowledge, etc.
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The decrease of biodiversity, messing up the ecosystem in regards to the food web and chain etc.
Science subject write and studying
Research into the cells observation division