What is the name of the deepest layer of earth, which is made of solid metals? a- outer core b- inner core c- mantle d- crust

The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird

Which of these is not an example of molecular homology? 1. use of dna and rna as genetic material 2.use of glycolysis as the first step in cellular respiration in both plants and animals 3. the lack of an igf-1 gene in prokaryotes 4. the use of aldolase b to break down fructose in bacteria, plants and animals

Which of the following would involve looking at different structures of organisms and comparing how similar they are? a. vestigial structuresb. radiometric datingc. homologous structures