What is the difference between defining: a life vs alive vs a living organism?

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

The amount of time it takes for one-half of the original amount of an isotope to decay is known as its question 9 options: correlation half-life period radioactivity

Which happened when an essential amino acid is missing from the diet