Which term best describes all of the different species of insects living in a rainforest

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

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.

9. the history of life on earth is recorded in