Archaeopteryx and the vulture below show a connection for what ? A. The extinction event of dinosaurs
B. The homologous structures which suggests a group of dinosaurs evolved the ability to fly and eventually evolved into modern day birds
C. the analogous structures of animals that have different origins but the same usage
D. the competition that existed between birds and reptiles during the permian

Compare the composition of the moon's surface with the composition of the earth's surface.

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

Actinobacteria sp. are fermenting organisms (which do you use oxygen to breathe) referred to as chemoorganohetereotrophs this means they break down organic material and convert it to inorganic material. which part of the carbon cycle does this describe