According to natural selection, birds such as cardinals , eagles, and ducks have differently shaped feet due to

The natural selection is the survival of the fittest, which means that only the best adapted individuals survive and reproduce, contributing the most to the next generation
According to natural selection, birds such as cardinals , eagles, and ducks have differently shaped feet due to adaptation to different environments and feeding habits.

If these are the missing choices: a. to determine skin temperature, place the back of your hand against the patient's skin.b. determine body temperature by touching the patient's hands and feet.c. skin temperature will tell you very little about this patient's condition or well-being.d. the patient's skin temperature and color will likely be warm and red.my answer is: a. to determine skin temperature, place the back of your hand against the patient's skin. using the back of the hand to check for temperature rather than the palm is more effective because the back of the hand has more nerves that can feel and transmit the temperature than the palm.

1) clean up you lab area2) dispose of the chemicals as instructed by your teacher3) put everything back where it belongs unless your teacher tells you otherwise4) dispose of gloves5) wash hands with soap and water