To see metaphase I animated, click the Play button. The centrioles are at opposite poles of the cell. The pairs of homologous chromosomes (the bivalents), now as tightly coiled and condensed as they will be in meiosis<span>, become arranged on a plane equidistant from the poles called the metaphase plate.</span>
The answer is D, Because dinosaurs appears in the Triassic period while insects appeared in the Devonian period which is about 160 million years about, which rules out A and B. Humans have been on Earth for almost 3 million years, which is nothing compared to the history of life in earth, which about 4,000 million years of life history, so D
B because the diploids always line up in the middle on chromosomes
Answer: to start what cycle
Explanation:
