Why didn't farmers used to eat the best of the seeds that they produced?

Greenthe fossil record is the history of life recorded byhuman observationgod.climatologists.remains of the past.

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.

What organ systems are working to you cool down after a workout?