Traditional classifications tended to take into account a) extinct organisms b) rna similarities c) dna similarities d) generals similarities in appearance

d. generals similarities in appearance

Explanation:

Classification in biology is the science of identifying, naming and grouping organisms into different categories.

Organisms were earlier grouped based on superficial attributes such as body similarity, habitat, etc. This system of classification is referred to as traditional or artificial system of classification.

Natural system of classification classify organisms based on mode of nutrition, complexity of body, complexity of cell, evolutionary relationships, etc.

The correct option is d.

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.

what bodys are there orbiting?