The answer to this is false
It would be B. the mixture became warm, as a change in temperature is certain evidence that a chemical reaction has taken place.
Answer:
Protection
Explanation:
The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell. And that membrane has several different functions. One is to transport nutrients into the cell and also to transport toxic substances out of the cell.
Like natural selection, artificial selection acts by allowing differential reproductive success to individuals with different genetically determined traits in order to increase the frequency of desirable traits in the population.
Answer AND Explanation:
Crossing over is a type of recombination that occurs during prophase I of meiosis and results in the exchange of genetic material between homologous chromosomes. In a population where crossing over occurs frequently, there would be increased gene pool or genetic drift and variations compared to a population where individual chromosomes do not cross over. The offspring will be genetically unique because of crossing over and independent assortment.