Answer: Aristotle's and Linnaeus's classification systems both divided all life into two groups: plant and animal.
Hello!! I think your best answer would be D - Tetrad because consists of four chromatids. It is made up of two (pair) of homologous chromosomes that have already replicated into a pair of sister chromatids. I hope this answers your question. Have a great day!! :)
Latitude and ocean currents are the ones i know.
