Mason is a veterinarian. he is using a tiny camera, passed through a small incision, to closely examine a joint disorder. which diagnostic procedure is he using?

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?

You find a fossil that you are sure shows evidence of bipedalism. you know this because which of the following anatomical traits is present? a. thighbones that angle in toward the knees b. a narrow pelvis c. opposable hallux d. posterior position of the foramen magnum