Identify one way in which bacteria differ from humans a. bacteria are single-celled b. bacteria do not reproduce c. only humans take in energy d. humans have the ability to move around

How many species of living things are alive on earth today? more than 1,000,000 none of these answers are correct 100-500 1,000 –500,000 o 500,000 -1,000,000

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.

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry