Infer If the human diet continues to be refined, what changes might evolve in our teeth?

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

Which of these is most likely to happen if parallax measurements of star distances are taken after a gap of six months? the results would be accurate the results would be inconsistent the results would not be valid the results would not be repeated

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.