What piece of information would be useful to someone studying evolution, but also to someone trying to identify and classify an unknown organism that they think is new to science

Agenus is a taxonomic grouping that identifies a collection of species. when a scientist discovers a new species, how is this species assigned to a genus

When a doggo starts to pace around in the same line for a hand full of days. what would that mean?

Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?