Sympatrtic speciation occurs in populations that overlap geographically.
True
False

If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.

What are two ways that harvesting algae from the ocean may benefit human society? how might the harvest of algae negatively impact the ocean communities where that algae grows? how could this be prevented?

In meiosis ii during anaphase ii which structures separated homologous chromosomes or sister chromatids