These sources of information are used to determine the relationships among different species. which provides information at the species level?
a) comparison of fossil records
b) comparison of the nucleotide sequences in dna
c) comparison of the morphology of the different species

How was the climate when the ambulocetus was alive

The sketch shows a rynchosaur, an extinct animal that is known only from fossils. there has been much debate about the classification of these creatures. some scientists suggest that they belong with primitive amphibians, and some think they are related to snakes and lizards.the data equally support both cases. which statement best explains how to draw a cladogram that includes the rynchosaur? draw the cladogram for amphibians. draw the cladogram for reptiles. draw two cladograms, both showing the traits, and leave it as a hypothesis. draw two cladograms, both showing the traits, and have scientists vote

In each transformation of energy , some energy what?