Are the proteins that dna is wound around to form chromosomes.
a. centromeres
b. histones
c. chromatins
d. nucleosomes

Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food

Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.