Which of the following observations tells the biologist that the organism is eukaryotic? choose all that apply.
a it moves with flagella.
b it has membrane-bound organelles.
c it has a cell membrane.
d it converts stored energy to use for cellular processes

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.

garbage disposal because lysosomes dispose of old cell parts like garbage disposals dispose of old food.