Which of these bests explains the difference between the way animals and plants exchange gases with their environments?

animals use only photosynthesis, while plants use both photosynthesis and respiration.

animals use only respiration, while plants use both photosynthesis and respiration.

animals use both photosynthesis and respiration, while plants use only respiration.

animals use both photosynthesis and respiration, while plants use only photosynthesis.

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.

Albinism is an inherited genetic disorder. explain what it is meant by inherited genetic disorder

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous