The following diagram shows the branching tree diagram for some animals.

Which two organisms share the least number of derived characteristics?

Frog and kangaroo
Kangaroo and chimpanzee
Lion and chimpanzee
Shark and chimpanzee

Ascientist and her team counted 200 individual deer in an area of 10 square kilometers. what is the population density?

How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?

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.